By A Mystery Man Writer
You'll likely be surprised. Which country does France share its longest border with? It's a South American nation, not a European one.
Amazing Maps - France's longest border is shared with Brazil
France–Spain border - Wikipedia
Spain Archives - Flytrippers
France–Spain border - Wikipedia
France longest border is shared with Spain:) : r/mapporncirclejerk
Does Brazil have a border with France? - Quora
5 Portuguese-Speaking Countries To Visit - Flytrippers
France's Longest Land Border is with Brazil?!
What Country Shares The Longest Border With France
5 Portuguese-Speaking Countries To Visit - Flytrippers
Spain or Brazil: Which country does France share its longest