| Somain to Bois-Colombes | 109.31 mi (175.92 km) |
| Somain to Bois-d'Arcy | 121.19 mi (195.04 km) |
| Somain to Bois-Guillaume | 114.03 mi (183.51 km) |
| Somain to Boissy-Saint-Leger | 116.29 mi (187.16 km) |
| Somain to Bolbec | 136.07 mi (218.98 km) |
| Somain to Bollene | 425.47 mi (684.72 km) |
| Somain to Bondoufle | 127.10 mi (204.54 km) |
| Somain to Bondues | 25.16 mi (40.49 km) |
| Somain to Bondy | 106.70 mi (171.71 km) |
| Somain to Bonneuil-sur-Marne | 115.02 mi (185.10 km) |
| Somain to Bonneville | 328.61 mi (528.84 km) |
| Somain to Bordeaux | 421.37 mi (678.14 km) |
| Somain to Borgo | 612.95 mi (986.45 km) |
| Somain to Bouc-Bel-Air | 487.42 mi (784.43 km) |
| Somain to Boucau | 522.72 mi (841.24 km) |
