| Somain to Pornichet | 333.05 mi (535.99 km) |
| Somain to Port-de-Bouc | 487.06 mi (783.85 km) |
| Somain to Portes-les-Valence | 386.12 mi (621.40 km) |
| Somain to Portet-sur-Garonne | 480.46 mi (773.22 km) |
| Somain to Porto-Vecchio | 670.20 mi (1,078.58 km) |
| Somain to Provins | 124.27 mi (200.00 km) |
| Somain to Puteaux | 111.91 mi (180.10 km) |
| Somain to Quetigny | 226.04 mi (363.78 km) |
| Somain to Queven | 351.02 mi (564.91 km) |
| Somain to Quimper | 370.75 mi (596.66 km) |
| Somain to Quimperle | 353.19 mi (568.40 km) |
| Somain to Quincy-sous-Senart | 121.23 mi (195.11 km) |
| Somain to Raismes | 9.32 mi (14.99 km) |
| Somain to Rambouillet | 135.05 mi (217.34 km) |
| Somain to Ramonville-Saint-Agne | 478.22 mi (769.62 km) |
