| Os to Bois-Colombes | 791.66 mi (1,274.05 km) |
| Os to Bois-d'Arcy | 801.15 mi (1,289.32 km) |
| Os to Bois-Guillaume | 762.75 mi (1,227.53 km) |
| Os to Boissy-Saint-Leger | 801.64 mi (1,290.11 km) |
| Os to Bolbec | 761.99 mi (1,226.31 km) |
| Os to Bollene | 1,102.22 mi (1,773.84 km) |
| Os to Bondoufle | 811.79 mi (1,306.44 km) |
| Os to Bondues | 664.60 mi (1,069.57 km) |
| Os to Bondy | 791.39 mi (1,273.61 km) |
| Os to Bonneuil-sur-Marne | 800.13 mi (1,287.68 km) |
| Os to Bonneville | 978.26 mi (1,574.36 km) |
| Os to Bordeaux | 1,092.06 mi (1,757.51 km) |
| Os to Borgo | 1,232.38 mi (1,983.32 km) |
| Os to Bouc-Bel-Air | 1,158.87 mi (1,865.02 km) |
| Os to Boucau | 1,190.11 mi (1,915.30 km) |
