Ten countries border Brazil, including Argentina, Bolivia, Colombia, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay and Venezuela. The only countries in South America that do not border Brazil are Ecuador and Chile.
Brazil is the largest country on the continent of South America. It has the third-longest distance of international land borders, totaling 16,885 kilometers, which is equivalent to 10,492 miles. The only countries that have longer international land borders are China and Russia. China borders 14 sovereign states along a border of 22,117 kilometers, while Russia borders 16 sovereign states, with a land border length of 20,241 kilometers.
The longest land border that Brazil shares is with Bolivia at 3,400 kilometers. The second-longest border it shares is with Venezuela, measuring to 2,200 kilometers. The border between Colombia and Brazil is a shared 1,643 kilometers. Peru comes in fourth with a 1,560-kilometer border. Paraguay shares 1,290 kilometers. Brazil's border with Argentina is 1,224 kilometers, and the border between Brazil and Guyana is 1,119 kilometers. Uruguay's border runs 1,068 kilometers along Brazil, and French Guiana shares 730 kilometers with Brazil. The shortest shared border is with Suriname, measuring out to 597 kilometers.
Brazil's longest border is its coastline along the Atlantic Ocean, covering 7,491 kilometers.