| Castanet-Tolosan to Beausoleil | 296.69 mi (477.48 km) |
| Castanet-Tolosan to Beauvais | 409.65 mi (659.27 km) |
| Castanet-Tolosan to Begles | 135.14 mi (217.48 km) |
| Castanet-Tolosan to Belfort | 384.78 mi (619.24 km) |
| Castanet-Tolosan to Bellegarde-sur-Valserine | 277.54 mi (446.66 km) |
| Castanet-Tolosan to Bellerive-sur-Allier | 202.52 mi (325.92 km) |
| Castanet-Tolosan to Bellevue | 372.44 mi (599.38 km) |
| Castanet-Tolosan to Belley | 257.75 mi (414.81 km) |
| Castanet-Tolosan to Berck-sur-Mer | 476.26 mi (766.47 km) |
| Castanet-Tolosan to Bergerac | 105.09 mi (169.13 km) |
| Castanet-Tolosan to Bernay | 387.44 mi (623.52 km) |
| Castanet-Tolosan to Berre-l'Etang | 183.95 mi (296.05 km) |
| Castanet-Tolosan to Besancon | 338.08 mi (544.09 km) |
| Castanet-Tolosan to Bethune | 487.63 mi (784.77 km) |
| Castanet-Tolosan to Betton | 356.07 mi (573.04 km) |
