| Somain to Saint-Raphael | 506.35 mi (814.89 km) |
| Somain to Saint-Remy-de-Provence | 459.62 mi (739.68 km) |
| Somain to Saint-Saulve | 12.12 mi (19.51 km) |
| Somain to Saint-Sebastien-sur-Loire | 307.68 mi (495.16 km) |
| Somain to Saint-Sulpice-la-Pointe | 460.98 mi (741.87 km) |
| Somain to Saint-Vallier | 261.53 mi (420.89 km) |
| Somain to Sainte-Foy-les-Lyon | 327.33 mi (526.78 km) |
| Somain to Sainte-Genevieve-des-Bois | 126.14 mi (203.00 km) |
| Somain to Sainte-Luce-sur-Loire | 305.13 mi (491.06 km) |
| Somain to Sainte-Maxime | 512.08 mi (824.11 km) |
| Somain to Sainte-Savine | 146.67 mi (236.04 km) |
| Somain to Saintes | 366.18 mi (589.30 km) |
| Somain to Sallanches | 342.23 mi (550.77 km) |
| Somain to Sallaumines | 18.91 mi (30.44 km) |
| Somain to Salon-de-Provence | 471.88 mi (759.42 km) |
