| Somain to Saint-Esteve | 528.57 mi (850.65 km) |
| Somain to Saint-Etienne | 343.99 mi (553.59 km) |
| Somain to Saint-Etienne-du-Rouvray | 118.14 mi (190.13 km) |
| Somain to Saint-Fargeau | 130.33 mi (209.75 km) |
| Somain to Saint-Fons | 329.31 mi (529.97 km) |
| Somain to Saint-Gaudens | 515.23 mi (829.18 km) |
| Somain to Saint-Gely-du-Fesc | 461.19 mi (742.21 km) |
| Somain to Saint-Genis-Laval | 329.56 mi (530.37 km) |
| Somain to Saint-Genis-Pouilly | 310.88 mi (500.31 km) |
| Somain to Saint-Germain-en-Laye | 113.91 mi (183.32 km) |
| Somain to Saint-Germain-les-Arpajon | 130.15 mi (209.46 km) |
| Somain to Saint-Gilles | 464.68 mi (747.83 km) |
| Somain to Saint-Gratien | 105.62 mi (169.97 km) |
| Somain to Saint-Gregoire | 270.84 mi (435.87 km) |
| Somain to Saint-Herblain | 312.28 mi (502.57 km) |
