India shares the longest border with Bangladesh with 4096 Kilometers
Afghanistan shares the longest border with Pakistan at 2,600 Kms.
Brazil shares its longest border with Bolivia.
The country that shares the longest border with Pakistan is Afghanistan, spanning approximately 2,430 kilometers (1,510 miles).
France
Pakistan shares the longest border with Afghanistan. It stretches on for over 1500km.
CanadaCanada shares the longest border with the US.
Argentina is the Spanish-speaking country that shares a long border with Chile. The Andes mountain range forms a significant part of this border, stretching from the northern to the southern extremes of both countries. This border is one of the longest international boundaries in the world.
Alaska
Alaska, as it shares a border with Canada that extends for about 1,538 miles.
Afghanistan.
Russia has the longest border in the world, measuring over 60,000 kilometers. The country shares its borders with 14 other countries, spanning across Europe and Asia.