| Somain to Bougival | 115.08 mi (185.20 km) |
| Somain to Bouguenais | 313.09 mi (503.87 km) |
| Somain to Boulogne-Billancourt | 115.02 mi (185.10 km) |
| Somain to Boulogne-sur-Mer | 77.45 mi (124.64 km) |
| Somain to Bourg-de-Peage | 376.63 mi (606.12 km) |
| Somain to Bourg-en-Bresse | 300.51 mi (483.62 km) |
| Somain to Bourg-la-Reine | 117.29 mi (188.75 km) |
| Somain to Bourg-les-Valence | 381.25 mi (613.57 km) |
| Somain to Bourges | 229.71 mi (369.68 km) |
| Somain to Bourgoin-Jallieu | 342.29 mi (550.86 km) |
| Somain to Bressuire | 297.78 mi (479.23 km) |
| Somain to Brest | 374.85 mi (603.26 km) |
| Somain to Bretigny-sur-Orge | 128.32 mi (206.52 km) |
| Somain to Breuillet | 133.41 mi (214.71 km) |
| Somain to Briancon | 408.31 mi (657.12 km) |
