| Portes-les-Valence to Beyne-Heusay | 398.45 mi (641.24 km) |
| Portes-les-Valence to Bierbeek | 411.83 mi (662.77 km) |
| Portes-les-Valence to Bilzen | 415.16 mi (668.14 km) |
| Portes-les-Valence to Binche | 383.28 mi (616.83 km) |
| Portes-les-Valence to Bissegem | 417.77 mi (672.33 km) |
| Portes-les-Valence to Blankenberge | 451.37 mi (726.41 km) |
| Portes-les-Valence to Blegny | 402.25 mi (647.36 km) |
| Portes-les-Valence to Bocholt | 436.42 mi (702.35 km) |
| Portes-les-Valence to Boechout | 434.06 mi (698.55 km) |
| Portes-les-Valence to Bonheiden | 425.91 mi (685.43 km) |
| Portes-les-Valence to Boom | 429.71 mi (691.56 km) |
| Portes-les-Valence to Boortmeerbeek | 422.40 mi (679.79 km) |
| Portes-les-Valence to Borgerhout | 438.40 mi (705.54 km) |
| Portes-les-Valence to Borgloon | 410.22 mi (660.18 km) |
| Portes-les-Valence to Bornem | 431.25 mi (694.02 km) |
