| Castelnau-le-Lez to Beyne-Heusay | 489.17 mi (787.24 km) |
| Castelnau-le-Lez to Bierbeek | 498.87 mi (802.85 km) |
| Castelnau-le-Lez to Bilzen | 505.20 mi (813.05 km) |
| Castelnau-le-Lez to Binche | 467.45 mi (752.29 km) |
| Castelnau-le-Lez to Bissegem | 497.11 mi (800.02 km) |
| Castelnau-le-Lez to Blankenberge | 530.73 mi (854.13 km) |
| Castelnau-le-Lez to Blegny | 493.23 mi (793.78 km) |
| Castelnau-le-Lez to Bocholt | 526.48 mi (847.28 km) |
| Castelnau-le-Lez to Boechout | 519.81 mi (836.56 km) |
| Castelnau-le-Lez to Bonheiden | 511.89 mi (823.81 km) |
| Castelnau-le-Lez to Boom | 514.95 mi (828.74 km) |
| Castelnau-le-Lez to Boortmeerbeek | 508.54 mi (818.41 km) |
| Castelnau-le-Lez to Borgerhout | 523.97 mi (843.25 km) |
| Castelnau-le-Lez to Borgloon | 499.65 mi (804.10 km) |
| Castelnau-le-Lez to Bornem | 515.88 mi (830.23 km) |
