Multiple choice general knowledge

Which country has the longest border?

  1. Brazil

  2. China

  3. USA

  4. India

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

China has the world's longest land borders, sharing boundaries with 14 different countries and spanning approximately 22,100 km. While the USA-Canada border is the longest between two nations, no country matches China's total border length across all its frontiers.