| Castelsarrasin to Beuvry | 453.70 mi (730.16 km) |
| Castelsarrasin to Beziers | 115.85 mi (186.44 km) |
| Castelsarrasin to Bezons | 341.70 mi (549.91 km) |
| Castelsarrasin to Biarritz | 138.59 mi (223.03 km) |
| Castelsarrasin to Biganos | 111.17 mi (178.91 km) |
| Castelsarrasin to Billere | 90.81 mi (146.14 km) |
| Castelsarrasin to Biot | 299.76 mi (482.42 km) |
| Castelsarrasin to Biscarrosse | 115.06 mi (185.17 km) |
| Castelsarrasin to Bischheim | 447.33 mi (719.90 km) |
| Castelsarrasin to Bischwiller | 457.99 mi (737.07 km) |
| Castelsarrasin to Blagnac | 31.27 mi (50.32 km) |
| Castelsarrasin to Blain | 274.75 mi (442.16 km) |
| Castelsarrasin to Blanquefort | 104.95 mi (168.90 km) |
| Castelsarrasin to Blois | 245.78 mi (395.55 km) |
| Castelsarrasin to Bobigny | 342.43 mi (551.09 km) |
