Bolivia:
total: 6,743 km
border countries: Argentina 832 km, Brazil 3,400 km, Chile 861 km,
Paraguay 750 km, Peru 900 km
Bosnia and Herzegovina:
total: 1,459 km
border countries: Croatia 932 km, Yugoslavia 527 km
Botswana:
total: 4,013 km
border countries: Namibia 1,360 km, South Africa 1,840 km, Zimbabwe
813 km
Bouvet Island:
0 km
Brazil:
total: 14,691 km
border countries: Argentina 1,224 km, Bolivia 3,400 km, Colombia 1,643 km, French Guiana 673 km, Guyana 1,119 km, Paraguay 1,290 km, Peru 1,560 km, Suriname 597 km, Uruguay 985 km, Venezuela 2,200 km
British Indian Ocean Territory:
0 km