| Challans to Brie-Comte-Robert | 244.33 mi (393.21 km) |
| Challans to Brignais | 326.91 mi (526.11 km) |
| Challans to Brignoles | 453.91 mi (730.49 km) |
| Challans to Brive-la-Gaillarde | 200.96 mi (323.41 km) |
| Challans to Bron | 333.05 mi (535.98 km) |
| Challans to Bruay-sur-l'Escaut | 348.30 mi (560.54 km) |
| Challans to Bruges | 148.72 mi (239.35 km) |
| Challans to Brumath | 463.32 mi (745.64 km) |
| Challans to Brunoy | 240.31 mi (386.73 km) |
| Challans to Bruz | 81.63 mi (131.36 km) |
| Challans to Bry-sur-Marne | 246.16 mi (396.16 km) |
| Challans to Bully-les-Mines | 325.22 mi (523.39 km) |
| Challans to Bures-sur-Yvette | 226.94 mi (365.23 km) |
| Challans to Bussy-Saint-Georges | 253.00 mi (407.17 km) |
| Challans to Buxerolles | 106.89 mi (172.02 km) |
