| Castelsarrasin to Beyne-Heusay | 501.51 mi (807.10 km) |
| Castelsarrasin to Bierbeek | 499.40 mi (803.71 km) |
| Castelsarrasin to Bilzen | 514.48 mi (827.97 km) |
| Castelsarrasin to Binche | 462.19 mi (743.83 km) |
| Castelsarrasin to Bissegem | 478.44 mi (769.98 km) |
| Castelsarrasin to Blankenberge | 510.21 mi (821.10 km) |
| Castelsarrasin to Blegny | 506.24 mi (814.72 km) |
| Castelsarrasin to Bocholt | 534.77 mi (860.63 km) |
| Castelsarrasin to Boechout | 515.68 mi (829.91 km) |
| Castelsarrasin to Bonheiden | 508.79 mi (818.82 km) |
| Castelsarrasin to Boom | 509.69 mi (820.27 km) |
| Castelsarrasin to Boortmeerbeek | 506.03 mi (814.38 km) |
| Castelsarrasin to Borgerhout | 519.12 mi (835.45 km) |
| Castelsarrasin to Borgloon | 507.25 mi (816.34 km) |
| Castelsarrasin to Bornem | 508.98 mi (819.13 km) |
