| Belfast to Blumberg | 778.45 mi (1,252.80 km) |
| Belfast to Bobenheim-Roxheim | 696.73 mi (1,121.28 km) |
| Belfast to Bobingen | 840.46 mi (1,352.59 km) |
| Belfast to Boblingen | 757.57 mi (1,219.19 km) |
| Belfast to Bocholt | 552.18 mi (888.64 km) |
| Belfast to Bochum | 585.89 mi (942.89 km) |
| Belfast to Bockenem | 685.09 mi (1,102.55 km) |
| Belfast to Bockhorn | 571.45 mi (919.67 km) |
| Belfast to Bogen | 883.89 mi (1,422.49 km) |
| Belfast to Bohl-Iggelheim | 703.40 mi (1,132.01 km) |
| Belfast to Bohmte | 604.51 mi (972.87 km) |
| Belfast to Boizenburg | 680.04 mi (1,094.42 km) |
| Belfast to Bonen | 603.32 mi (970.96 km) |
| Belfast to Bonn | 606.51 mi (976.08 km) |
| Belfast to Bopfingen | 799.04 mi (1,285.93 km) |
