| Boucau to Brignais | 340.96 mi (548.72 km) |
| Boucau to Brignoles | 378.49 mi (609.13 km) |
| Boucau to Brive-la-Gaillarde | 187.09 mi (301.09 km) |
| Boucau to Bron | 349.84 mi (563.01 km) |
| Boucau to Bruay-sur-l'Escaut | 530.54 mi (853.83 km) |
| Boucau to Bruges | 103.41 mi (166.42 km) |
| Boucau to Brumath | 567.96 mi (914.05 km) |
| Boucau to Brunoy | 405.27 mi (652.23 km) |
| Boucau to Bruz | 311.25 mi (500.90 km) |
| Boucau to Bry-sur-Marne | 414.30 mi (666.75 km) |
| Boucau to Bully-les-Mines | 517.37 mi (832.62 km) |
| Boucau to Bures-sur-Yvette | 397.74 mi (640.10 km) |
| Boucau to Bussy-Saint-Georges | 418.32 mi (673.22 km) |
| Boucau to Buxerolles | 230.50 mi (370.95 km) |
| Boucau to Cabestany | 230.89 mi (371.58 km) |
