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 Ireland
14
the Netherlands
13
Canada
88
the United States
143
Germany
239
Poland
3679
Greece
11
Italy
10
the United Kingdom
73
Australia
17
Austria
29
Switzerland
22
India
25
France
11