With which country does France share the longest land border?
Question #146691. Asked by akg1486.
Last updated Mar 21 2019.
Originally posted Mar 21 2019 2:20 AM.
Poydoo
Answer has 21 votes
Currently Best Answer
Poydoo
Answer has 21 votes.
Currently voted the best answer.
Mainland France's longest border is with Spain, at 408 miles, but French Guiana, a French overseas territory, has a border with Brazil measuring 450 miles.