| Castaic to Bois-Colombes | 5,628.10 mi (9,057.55 km) |
| Castaic to Bois-d'Arcy | 5,625.99 mi (9,054.16 km) |
| Castaic to Bois-Guillaume | 5,564.25 mi (8,954.80 km) |
| Castaic to Boissy-Saint-Leger | 5,644.02 mi (9,083.18 km) |
| Castaic to Bolbec | 5,538.28 mi (8,913.00 km) |
| Castaic to Bollene | 5,938.81 mi (9,557.59 km) |
| Castaic to Bondoufle | 5,646.45 mi (9,087.09 km) |
| Castaic to Bondues | 5,567.88 mi (8,960.64 km) |
| Castaic to Bondy | 5,635.79 mi (9,069.94 km) |
| Castaic to Bonneuil-sur-Marne | 5,642.15 mi (9,080.16 km) |
| Castaic to Bonneville | 5,903.11 mi (9,500.14 km) |
| Castaic to Bordeaux | 5,724.91 mi (9,213.35 km) |
| Castaic to Borgo | 6,184.59 mi (9,953.13 km) |
| Castaic to Bouc-Bel-Air | 6,003.05 mi (9,660.97 km) |
| Castaic to Boucau | 5,753.43 mi (9,259.25 km) |
