The 43rd parallel north is a circle of latitude

Circle of latitude

A circle of latitude, on the Earth, is an imaginary east-west circle connecting all locations that share a given latitude...

 that is 43 degrees

Degree (angle)

A degree , usually denoted by ° , is a measurement of plane angle, representing 1⁄360 of a full rotation; one degree is equivalent to π/180 radians...

 north

True north

True north is the direction along the earth's surface towards the geographic North Pole.True geodetic north usually differs from magnetic north , and from grid north...

 of the Earth's

Earth

Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

 equatorial plane

Equator

An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and containing the sphere's center of mass....

. It crosses Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

, the Mediterranean Sea

Mediterranean Sea

The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...

, Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

, the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

, and the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

.

On 21 June the sun

Sun

The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

 is at 70.83 degrees in the sky.

At this latitude the sun is visible for 15 hours, 22 minutes during the summer solstice

Summer solstice

The summer solstice occurs exactly when the axial tilt of a planet's semi-axis in a given hemisphere is most inclined towards the star that it orbits. Earth's maximum axial tilt to our star, the Sun, during a solstice is 23° 26'. Though the summer solstice is an instant in time, the term is also...

 and 9 hours, 0 minutes during the winter solstice

Winter solstice

Winter solstice may refer to:* Winter solstice, astronomical event* Winter Solstice , former band* Winter Solstice: North , seasonal songs* Winter Solstice , 2005 American film...

.

Starting at the Prime Meridian

Prime Meridian

The Prime Meridian is the meridian at which the longitude is defined to be 0°.The Prime Meridian and its opposite the 180th meridian , which the International Date Line generally follows, form a great circle that divides the Earth into the Eastern and Western Hemispheres.An international...

 and heading eastwards, the parallel 43° north passes through:

Co-ordinates	Country, territory or sea	Notes
43°0′N 0°0′E
43°0′N 3°2′E	Mediterranean Sea Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...	Gulf of Lion Gulf of Lion The Gulf of Lion is a wide embayment of the Mediterranean coastline of Languedoc-Roussillon and Provence in France, reaching from the border with Catalonia in the west to Toulon.The chief...
43°0′N 6°10′E		Îles d'Hyères Îles d'Hyères The Îles d'Hyères is a group of three islands off Hyères in the Var département, in the south-east of France. The three mediterranean islands are named Porquerolles, Port-Cros and Île du Levant. Together, they make up an area of .-See also:...
43°0′N 6°14′E	Mediterranean Sea Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...
43°0′N 9°20′E		Island of Corsica Corsica Corsica is an island in the Mediterranean Sea. It is located west of Italy, southeast of the French mainland, and north of the island of Sardinia....
43°0′N 9°27′E	Mediterranean Sea Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...	Passing just south of the island of Capraia Capraia Capraia, called Capraria in ancient times, is an island of Italy, part of the Tuscan Archipelago, off the northwest coast; it is also a comune belonging to the Province of Livorno. It is 62 km from the city of Livorno by sea, and 32 km northwest of the island of Elba; it is slightly... ,
43°0′N 10°30′E
43°0′N 13°52′E	Adriatic Sea Adriatic Sea The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan peninsula, and the system of the Apennine Mountains from that of the Dinaric Alps and adjacent ranges...	Passing just south of the island of Vis Vis (island) Vis is the most outerly lying larger Croatian island in the Adriatic Sea, and is part of the Central Dalmatian group of islands, with an area of 90.26 km² and a population of 3,617 . Of all the inhabited Croatian islands, it is the farthest from the coast... , > Passing just north of the island of Korčula Korcula Korčula is an island in the Adriatic Sea, in the Dubrovnik-Neretva County of Croatia. The island has an area of ; long and on average wide — and lies just off the Dalmatian coast. Its 16,182 inhabitants make it the second most populous Adriatic island after Krk... ,
43°0′N 17°2′E
43°0′N 17°40′E
43°0′N 18°28′E
43°0′N 20°6′E
43°0′N 20°34′E	Republic of Kosovo	Partially recognised as an independent state - claimed by
43°0′N 21°14′E
43°0′N 22°49′E
43°0′N 27°54′E	Black Sea Black Sea The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...
43°0′N 40°56′E	Abkhazia	Partially recognised International recognition of Abkhazia and South Ossetia Abkhazia and South Ossetia are two breakaway republics in the Caucasus with disputed status over whether they are a part of Georgia or sovereign states. The Republic of Abkhazia and the Republic of South Ossetia were recognised following the 2008 South Ossetia War between Russia and Georgia, by six...  as an independent state - claimed by
43°0′N 41°54′E
43°0′N 43°5′E
43°0′N 47°28′E	Caspian Sea Caspian Sea The Caspian Sea is the largest enclosed body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea. The sea has a surface area of and a volume of...
43°0′N 51°46′E
43°0′N 56°0′E
43°0′N 65°46′E
43°0′N 73°33′E		Passing just north of Bishkek Bishkek Bishkek , formerly Pishpek and Frunze, is the capital and the largest city of Kyrgyzstan.Bishkek is also the administrative centre of Chuy Province which surrounds the city, even though the city itself is not part of the province but rather a province-level unit of Kyrgyzstan.The name is thought to...
43°0′N 74°43′E
43°0′N 80°23′E		Xinjiang Xinjiang Xinjiang is an autonomous region of the People's Republic of China. It is the largest Chinese administrative division and spans over 1.6 million km2...
43°0′N 96°10′E
43°0′N 110°40′E		Inner Mongolia Inner Mongolia Inner Mongolia is an autonomous region of the People's Republic of China, located in the northern region of the country. Inner Mongolia shares an international border with the countries of Mongolia and the Russian Federation... > Liaoning Liaoning ' is a province of the People's Republic of China, located in the northeast of the country. Its one-character abbreviation is "辽" , a name taken from the Liao River that flows through the province. "Níng" means "peace"... > Jilin Jilin Jilin , is a province of the People's Republic of China located in the northeastern part of the country. Jilin borders North Korea and Russia to the east, Heilongjiang to the north, Liaoning to the south, and Inner Mongolia to the west...  (for about 26 km) > Liaoning (for about 14 km) > Jilin
43°0′N 129°53′E		For about 5 km
43°0′N 129°57′E		Jilin
43°0′N 131°6′E		Primorsky Krai Primorsky Krai Primorsky Krai , informally known as Primorye , is a federal subject of Russia . Primorsky means "maritime" in Russian, hence the region is sometimes referred to as Maritime Province or Maritime Territory. Its administrative center is in the city of Vladivostok...  — passing just south of Vladivostok Vladivostok The city is located in the southern extremity of Muravyov-Amursky Peninsula, which is about 30 km long and approximately 12 km wide.The highest point is Mount Kholodilnik, the height of which is 257 m...
43°0′N 131°34′E	Sea of Japan Sea of Japan The Sea of Japan is a marginal sea of the western Pacific Ocean, between the Asian mainland, the Japanese archipelago and Sakhalin. It is bordered by Japan, North Korea, Russia and South Korea. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific...	Amur Bay Amur Bay Amur Bay is a north western part of Peter the Great Gulf.Its length is 65 km, width is 10-20 km, and depth is approximately 20 m....
43°0′N 131°47′E		Russky Island Russky Island Russky Island is a Russian island off Vladivostok, in the Peter the Great Gulf, Sea of Japan. It is located about 9,334 kilometres east of Moscow. The Eastern Bosphorus separates the island from the Muravyov-Amursky Peninsula....
43°0′N 131°56′E	Sea of Japan Sea of Japan The Sea of Japan is a marginal sea of the western Pacific Ocean, between the Asian mainland, the Japanese archipelago and Sakhalin. It is bordered by Japan, North Korea, Russia and South Korea. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific...	Ussuri Bay Ussuri Bay Ussuri Bay is a northern east part of Peter the Great Gulf.Its length is 67 km, a wide is 10–55 km, depth is approximately 40 m.Ussuri Bay is a popular recreation area in Primorsky Krai ....
43°0′N 132°19′E
43°0′N 134°7′E	Sea of Japan Sea of Japan The Sea of Japan is a marginal sea of the western Pacific Ocean, between the Asian mainland, the Japanese archipelago and Sakhalin. It is bordered by Japan, North Korea, Russia and South Korea. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific...
43°0′N 140°31′E		Island of Hokkaidō Hokkaido , formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...
43°0′N 145°1′E	Pacific Ocean Pacific Ocean The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...
43°0′N 124°28′W		Oregon Oregon Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern... > Idaho Idaho Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state.... > Wyoming Wyoming Wyoming is a state in the mountain region of the Western United States. The western two thirds of the state is covered mostly with the mountain ranges and rangelands in the foothills of the Eastern Rocky Mountains, while the eastern third of the state is high elevation prairie known as the High... > South Dakota South Dakota South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...  / Nebraska Nebraska Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....  border > South Dakota > Iowa Iowa Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New... > Wisconsin Wisconsin Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...
43°0′N 87°53′W	Lake Michigan Lake Michigan Lake Michigan is one of the five Great Lakes of North America and the only one located entirely within the United States. It is the second largest of the Great Lakes by volume and the third largest by surface area, after Lake Superior and Lake Huron...
43°0′N 86°13′W		Michigan Michigan Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....
43°0′N 82°25′W		Ontario Ontario Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....
43°0′N 79°1′W		New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east... > Vermont Vermont Vermont is a state in the New England region of the northeastern United States of America. The state ranks 43rd in land area, , and 45th in total area. Its population according to the 2010 census, 630,337, is the second smallest in the country, larger only than Wyoming. It is the only New England... > New Hampshire New Hampshire New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...
43°0′N 70°45′W	Atlantic Ocean Atlantic Ocean The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...
43°0′N 9°15′W
43°0′N 1°4′W

United States

The parallel 43° north forms most of the boundary between the State of Nebraska

Nebraska

Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....

 and the State of South Dakota

South Dakota

South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...

.

The parallel formed the northern border of the historic and extralegal Territory of Jefferson.