| Castle Rock to Bois-Colombes | 4,892.72 mi (7,874.08 km) |
| Castle Rock to Bois-d'Arcy | 4,889.30 mi (7,868.56 km) |
| Castle Rock to Bois-Guillaume | 4,828.35 mi (7,770.48 km) |
| Castle Rock to Boissy-Saint-Leger | 4,908.51 mi (7,899.49 km) |
| Castle Rock to Bolbec | 4,801.02 mi (7,726.50 km) |
| Castle Rock to Bollene | 5,188.38 mi (8,349.89 km) |
| Castle Rock to Bondoufle | 4,909.84 mi (7,901.62 km) |
| Castle Rock to Bondues | 4,844.67 mi (7,796.74 km) |
| Castle Rock to Bondy | 4,901.00 mi (7,887.39 km) |
| Castle Rock to Bonneuil-sur-Marne | 4,906.69 mi (7,896.56 km) |
| Castle Rock to Bonneville | 5,166.55 mi (8,314.76 km) |
| Castle Rock to Bordeaux | 4,961.45 mi (7,984.68 km) |
| Castle Rock to Borgo | 5,441.91 mi (8,757.91 km) |
| Castle Rock to Bouc-Bel-Air | 5,250.97 mi (8,450.63 km) |
| Castle Rock to Boucau | 4,981.81 mi (8,017.45 km) |
