Which country has the longest border in the world?

Do you know which country has the longest border in the world? Let’s find out.

China is the country with the longest border in the world. China shares a border with 14 countries and has a cumulative border length of over 22,100 kilometers. The longest border in China is the China-Mongolia border while the smallest is the China-Afghanistan border.

After China, Russia has the longest border length. Russia like China also shares a border with 14 countries. Russia has a cumulative border length of approximately 20,000 kilometers.

Top 10 countries with the highest aggregate land border length

1Chinaover 22,100 kilometers
2Russia~20,000 kilometers
3Brazil~14,700 kilometers
4India~14,200 kilometers
5USAover 12,000 kilometers
6Kazakhstan~12,000 kilometers
7Democratic Republic of the Congo~10,700 kilometers
8Argentina~9,700 kilometers
9Canada ~8,900 kilometers
10Mongolia~8,200 kilometers

Which is the longest border in the world?

The US-Canada border is the longest border in the world. The border is 8,900 kilometers long.

Question/Answers

1. Which country has the longest border in Africa?

Answer – Democratic Republic of the Congo

2. Which country has the longest border in South America?
Answer – Brazil

3. Which country has the longest border in North America?
Answer – USA

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