Which countries share the longest land border?
USA-Canada
Russia-China
Russia-Kazakhstan
Argentyna-Chile
The border between United States and Canada is the longest one between two states. It measures 8,893 km (5,525 mi).
reach: rather globalCanadarecordsUnited States
Answers by country
USA-Canada
Russia-China
Russia-Kazakhstan
Argentyna-Chile
answers
Republic of Ireland14
the Netherlands14
the United States159
Canada90
Germany267
Poland3799
Greece11
Australia18
Italy10
the United Kingdom76
Austria31
Switzerland29
India25
France11