| Cay to Beyne-Heusay | 1,487.80 mi (2,394.38 km) |
| Cay to Bierbeek | 1,529.19 mi (2,460.99 km) |
| Cay to Bilzen | 1,500.22 mi (2,414.38 km) |
| Cay to Binche | 1,542.05 mi (2,481.69 km) |
| Cay to Bissegem | 1,591.34 mi (2,561.02 km) |
| Cay to Blankenberge | 1,607.73 mi (2,587.39 km) |
| Cay to Blegny | 1,485.89 mi (2,391.31 km) |
| Cay to Bocholt | 1,506.64 mi (2,424.70 km) |
| Cay to Boechout | 1,549.23 mi (2,493.24 km) |
| Cay to Bonheiden | 1,544.01 mi (2,484.85 km) |
| Cay to Boom | 1,552.02 mi (2,497.74 km) |
| Cay to Boortmeerbeek | 1,541.30 mi (2,480.49 km) |
| Cay to Borgerhout | 1,552.63 mi (2,498.72 km) |
| Cay to Borgloon | 1,505.29 mi (2,422.52 km) |
| Cay to Bornem | 1,557.80 mi (2,507.03 km) |
