| Greenbelt to Beyne-Heusay | 3,911.05 mi (6,294.23 km) |
| Greenbelt to Bierbeek | 3,869.63 mi (6,227.56 km) |
| Greenbelt to Bilzen | 3,899.05 mi (6,274.92 km) |
| Greenbelt to Binche | 3,856.39 mi (6,206.26 km) |
| Greenbelt to Bissegem | 3,807.10 mi (6,126.93 km) |
| Greenbelt to Blankenberge | 3,791.17 mi (6,101.30 km) |
| Greenbelt to Blegny | 3,913.09 mi (6,297.51 km) |
| Greenbelt to Bocholt | 3,893.56 mi (6,266.07 km) |
| Greenbelt to Boechout | 3,850.07 mi (6,196.08 km) |
| Greenbelt to Bonheiden | 3,855.06 mi (6,204.11 km) |
| Greenbelt to Boom | 3,847.06 mi (6,191.24 km) |
| Greenbelt to Boortmeerbeek | 3,857.68 mi (6,208.34 km) |
| Greenbelt to Borgerhout | 3,846.78 mi (6,190.80 km) |
| Greenbelt to Borgloon | 3,893.75 mi (6,266.39 km) |
| Greenbelt to Bornem | 3,841.25 mi (6,181.89 km) |
