| Castellammare del Golfo to Bois-Colombes | 919.71 mi (1,480.13 km) |
| Castellammare del Golfo to Bois-d'Arcy | 920.38 mi (1,481.20 km) |
| Castellammare del Golfo to Bois-Guillaume | 982.28 mi (1,580.83 km) |
| Castellammare del Golfo to Boissy-Saint-Leger | 903.83 mi (1,454.57 km) |
| Castellammare del Golfo to Bolbec | 1,006.82 mi (1,620.31 km) |
| Castellammare del Golfo to Bollene | 604.12 mi (972.24 km) |
| Castellammare del Golfo to Bondoufle | 900.21 mi (1,448.74 km) |
| Castellammare del Golfo to Bondues | 998.37 mi (1,606.71 km) |
| Castellammare del Golfo to Bondy | 912.79 mi (1,468.99 km) |
| Castellammare del Golfo to Bonneuil-sur-Marne | 905.75 mi (1,457.66 km) |
| Castellammare del Golfo to Bonneville | 647.60 mi (1,042.21 km) |
| Castellammare del Golfo to Bordeaux | 839.60 mi (1,351.20 km) |
| Castellammare del Golfo to Borgo | 361.83 mi (582.30 km) |
| Castellammare del Golfo to Bouc-Bel-Air | 541.26 mi (871.07 km) |
| Castellammare del Golfo to Boucau | 840.66 mi (1,352.91 km) |
