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.
Bangladesh
Washington shares a border with Canada
CanadaCanada shares the longest border with the US.
The state of Texas shares its southern border with Mexico.
India shares the longest border with Bangladesh with 4096 Kilometers
Alaska, as it shares a border with Canada that extends for about 1,538 miles.
Afghanistan.