| Saint-Omer to Schiltigheim | 286.42 mi (460.96 km) |
| Saint-Omer to Scionzier | 379.01 mi (609.96 km) |
| Saint-Omer to Seclin | 36.40 mi (58.58 km) |
| Saint-Omer to Sedan | 138.75 mi (223.30 km) |
| Saint-Omer to Selestat | 289.49 mi (465.90 km) |
| Saint-Omer to Sene | 312.40 mi (502.76 km) |
| Saint-Omer to Senlis | 107.46 mi (172.94 km) |
| Saint-Omer to Sens | 182.17 mi (293.17 km) |
| Saint-Omer to Septemes-les-Vallons | 528.31 mi (850.23 km) |
| Saint-Omer to Serris | 132.80 mi (213.72 km) |
| Saint-Omer to Sete | 511.81 mi (823.68 km) |
| Saint-Omer to Sevran | 125.99 mi (202.76 km) |
| Saint-Omer to Sevres | 132.98 mi (214.01 km) |
| Saint-Omer to Seynod | 379.06 mi (610.04 km) |
| Saint-Omer to Seysses | 502.91 mi (809.35 km) |
