| Carcassonne to Beyne-Heusay | 534.79 mi (860.66 km) |
| Carcassonne to Bierbeek | 538.80 mi (867.11 km) |
| Carcassonne to Bilzen | 549.50 mi (884.34 km) |
| Carcassonne to Binche | 504.11 mi (811.29 km) |
| Carcassonne to Bissegem | 527.15 mi (848.36 km) |
| Carcassonne to Blankenberge | 560.11 mi (901.41 km) |
| Carcassonne to Blegny | 539.21 mi (867.78 km) |
| Carcassonne to Bocholt | 570.50 mi (918.13 km) |
| Carcassonne to Boechout | 557.61 mi (897.38 km) |
| Carcassonne to Bonheiden | 550.13 mi (885.35 km) |
| Carcassonne to Boom | 552.13 mi (888.56 km) |
| Carcassonne to Boortmeerbeek | 547.04 mi (880.38 km) |
| Carcassonne to Borgerhout | 561.44 mi (903.55 km) |
| Carcassonne to Borgloon | 543.08 mi (874.00 km) |
| Carcassonne to Bornem | 552.23 mi (888.73 km) |
