The longest border between any two countries in the world is between :

Join Our Telegram Channel

Canada and the United States of America.

Chile and Argentina

China and India

Kazakhstan and Russian Federation

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC IAS – 2024

Download PDF Attempt Online

The longest international border between any two countries in the world is shared by Canada and the United States of America. This border is approximately 8,891 kilometers (5,525 miles) long.

– The Canada-USA border consists of two sections: the southern border shared with the contiguous United States and the western border shared with Alaska.
– Other long borders include Kazakhstan-Russia (approx. 7,644 km), Argentina-Chile (approx. 5,308 km), and China-India (approx. 3,488 km, includes disputed areas).
– The Canada-USA border is also known as the longest undefended border in the world.

Length of borders mentioned:
– Canada-USA: ~8,891 km
– Chile-Argentina: ~5,308 km
– China-India: ~3,488 km
– Kazakhstan-Russian Federation: ~7,644 km
Comparing these lengths confirms that the Canada-USA border is the longest.

More similar MCQ questions for Exam preparation:-