Azerbaijan: total: 2,013 km
border countries: Armenia (with Azerbaijan-proper) 566 km, Armenia (with Azerbaijan-Naxcivan exclave) 221 km, Georgia 322 km, Iran (with Azerbaijan-proper) 432 km, Iran (with Azerbaijan-Naxcivan exclave) 179 km, Russia 284 km, Turkey 9 km
Bahamas, The:
0 km
Bahrain:
0 km
Baker Island:
0 km
Bangladesh:
total: 4,246 km
border countries: Burma 193 km, India 4,053 km
Barbados:
0 km
Bassas da India:
0 km
Belarus:
total: 3,098 km