| Castelfidardo to Bois-Colombes | 656.90 mi (1,057.18 km) |
| Castelfidardo to Bois-d'Arcy | 662.17 mi (1,065.67 km) |
| Castelfidardo to Bois-Guillaume | 720.98 mi (1,160.31 km) |
| Castelfidardo to Boissy-Saint-Leger | 641.57 mi (1,032.50 km) |
| Castelfidardo to Bolbec | 749.66 mi (1,206.47 km) |
| Castelfidardo to Bollene | 441.57 mi (710.64 km) |
| Castelfidardo to Bondoufle | 641.93 mi (1,033.09 km) |
| Castelfidardo to Bondues | 700.08 mi (1,126.68 km) |
| Castelfidardo to Bondy | 648.01 mi (1,042.87 km) |
| Castelfidardo to Bonneuil-sur-Marne | 643.28 mi (1,035.25 km) |
| Castelfidardo to Bonneville | 394.10 mi (634.24 km) |
| Castelfidardo to Bordeaux | 705.79 mi (1,135.86 km) |
| Castelfidardo to Borgo | 217.36 mi (349.81 km) |
| Castelfidardo to Bouc-Bel-Air | 407.66 mi (656.07 km) |
| Castelfidardo to Boucau | 752.48 mi (1,211.00 km) |
