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National borders vary greatly in size, from tiny demarcations to extensive boundaries spanning thousands of kilometers. Understanding these borders provides insight into geopolitical history and regional relationships.
The Smallest National Border
The shortest international border is between South Africa and Lesotho. It measures only about 2 kilometers (1.2 miles) in length. This tiny border exists because Lesotho is an enclaved country entirely surrounded by South Africa.
This border is significant because it represents a unique political situation, with Lesotho maintaining independence despite its small size and geographic constraints. It is one of the few borders that is so short yet marks the boundary of two sovereign nations.
The Largest National Border
The longest international border is between Canada and the United States. It stretches approximately 8,891 kilometers (5,525 miles). This extensive boundary includes land borders, lakes, and maritime boundaries.
The Canada-U.S. border is notable for being the longest undefended border in the world. It has a complex history involving treaties, negotiations, and agreements that have maintained peaceful relations for over a century.
Additional Interesting Facts
- The border between India and Bangladesh is approximately 4,096 kilometers long, making it one of the longest in Asia.
- The Vatican City is the smallest independent state, with an area of about 0.44 square kilometers, surrounded entirely by Italy.
- The border between North Korea and South Korea is heavily fortified and extends about 250 kilometers, known as the Demilitarized Zone (DMZ).