| Castanet-Tolosan to Brie-Comte-Robert | 361.63 mi (581.99 km) |
| Castanet-Tolosan to Brignais | 218.83 mi (352.18 km) |
| Castanet-Tolosan to Brignoles | 228.97 mi (368.49 km) |
| Castanet-Tolosan to Brive-la-Gaillarde | 113.51 mi (182.68 km) |
| Castanet-Tolosan to Bron | 227.60 mi (366.29 km) |
| Castanet-Tolosan to Bruay-sur-l'Escaut | 485.14 mi (780.76 km) |
| Castanet-Tolosan to Bruges | 140.89 mi (226.75 km) |
| Castanet-Tolosan to Brumath | 466.95 mi (751.48 km) |
| Castanet-Tolosan to Brunoy | 361.28 mi (581.43 km) |
| Castanet-Tolosan to Bruz | 348.50 mi (560.85 km) |
| Castanet-Tolosan to Bry-sur-Marne | 371.19 mi (597.38 km) |
| Castanet-Tolosan to Bully-les-Mines | 482.02 mi (775.74 km) |
| Castanet-Tolosan to Bures-sur-Yvette | 359.38 mi (578.37 km) |
| Castanet-Tolosan to Bussy-Saint-Georges | 372.47 mi (599.43 km) |
| Castanet-Tolosan to Buxerolles | 220.19 mi (354.36 km) |
