| Bostonia to Beyne-Heusay | 5,695.76 mi (9,166.44 km) |
| Bostonia to Bierbeek | 5,657.60 mi (9,105.03 km) |
| Bostonia to Bilzen | 5,679.52 mi (9,140.30 km) |
| Bostonia to Binche | 5,659.18 mi (9,107.57 km) |
| Bostonia to Bissegem | 5,609.09 mi (9,026.95 km) |
| Bostonia to Blankenberge | 5,583.28 mi (8,985.43 km) |
| Bostonia to Blegny | 5,695.95 mi (9,166.74 km) |
| Bostonia to Bocholt | 5,666.72 mi (9,119.71 km) |
| Bostonia to Boechout | 5,633.58 mi (9,066.37 km) |
| Bostonia to Bonheiden | 5,640.71 mi (9,077.84 km) |
| Bostonia to Boom | 5,633.08 mi (9,065.57 km) |
| Bostonia to Boortmeerbeek | 5,644.14 mi (9,083.37 km) |
| Bostonia to Borgerhout | 5,629.30 mi (9,059.49 km) |
| Bostonia to Borgloon | 5,677.21 mi (9,136.58 km) |
| Bostonia to Bornem | 5,628.08 mi (9,057.52 km) |
