Multiple choice general knowledge

Longest international boundary is shared between:

  1. India and Pakistan

  2. Russia and China

  3. United states and Canada

  4. Brazil and Argentina

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The United States and Canada share the longest international boundary in the world, spanning approximately 8,891 kilometers (5,525 miles). This border includes both land borders and maritime boundaries along the Great Lakes.