| Mountain Ash to Beyne-Heusay | 397.92 mi (640.40 km) |
| Mountain Ash to Bierbeek | 356.88 mi (574.34 km) |
| Mountain Ash to Bilzen | 388.37 mi (625.02 km) |
| Mountain Ash to Binche | 339.39 mi (546.20 km) |
| Mountain Ash to Bissegem | 291.34 mi (468.87 km) |
| Mountain Ash to Blankenberge | 280.60 mi (451.58 km) |
| Mountain Ash to Blegny | 400.64 mi (644.77 km) |
| Mountain Ash to Bocholt | 387.30 mi (623.29 km) |
| Mountain Ash to Boechout | 340.62 mi (548.17 km) |
| Mountain Ash to Bonheiden | 344.14 mi (553.84 km) |
| Mountain Ash to Boom | 336.41 mi (541.39 km) |
| Mountain Ash to Boortmeerbeek | 346.22 mi (557.18 km) |
| Mountain Ash to Borgerhout | 338.14 mi (544.18 km) |
| Mountain Ash to Borgloon | 381.91 mi (614.62 km) |
| Mountain Ash to Bornem | 330.51 mi (531.90 km) |
