| Castro Valley to Bois-Colombes | 5,550.81 mi (8,933.17 km) |
| Castro Valley to Bois-d'Arcy | 5,549.67 mi (8,931.34 km) |
| Castro Valley to Bois-Guillaume | 5,487.75 mi (8,831.68 km) |
| Castro Valley to Boissy-Saint-Leger | 5,566.74 mi (8,958.80 km) |
| Castro Valley to Bolbec | 5,462.92 mi (8,791.72 km) |
| Castro Valley to Bollene | 5,870.93 mi (9,448.35 km) |
| Castro Valley to Bondoufle | 5,569.95 mi (8,963.97 km) |
| Castro Valley to Bondues | 5,482.54 mi (8,823.29 km) |
| Castro Valley to Bondy | 5,558.05 mi (8,944.82 km) |
| Castro Valley to Bonneuil-sur-Marne | 5,564.83 mi (8,955.73 km) |
| Castro Valley to Bonneville | 5,824.97 mi (9,374.38 km) |
| Castro Valley to Bordeaux | 5,669.02 mi (9,123.41 km) |
| Castro Valley to Borgo | 6,109.27 mi (9,831.92 km) |
| Castro Valley to Bouc-Bel-Air | 5,936.10 mi (9,553.22 km) |
| Castro Valley to Boucau | 5,704.64 mi (9,180.72 km) |
