The Via di Francia, when it does not simply mean per via di Francia, "by way of France", was the designation in Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 of a medieval route that led from Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 to Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

. For instance, in documents drawn up at Paris, 3 August 1261, Iacopo, son of Sigerio dei Gallerani, recently freed, promises upon pain of 1000 marks, to return to Siena by mid-September, e di non riprendere la via di Francia and not to take the via di Francia once more.

A coastal stretch in Genoa

Genoa

Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

 retains the old name, and a stretch of the Via di Francia led from coastal San Remo

Sanremo

Sanremo or San Remo is a city with about 57,000 inhabitants on the Mediterranean coast of western Liguria in north-western Italy. Founded in Roman times, the city is best known as a tourist destination on the Italian Riviera. It hosts numerous cultural events, such as the Sanremo Music Festival...

to the shrine of the Madonna della Costa.