| Saint-Omer to Siegburg | 215.99 mi (347.60 km) |
| Saint-Omer to Siegen | 251.38 mi (404.55 km) |
| Saint-Omer to Sigmaringen | 362.50 mi (583.38 km) |
| Saint-Omer to Simbach am Inn | 511.56 mi (823.27 km) |
| Saint-Omer to Simmerath | 177.12 mi (285.05 km) |
| Saint-Omer to Sindelfingen | 332.15 mi (534.54 km) |
| Saint-Omer to Sinsheim | 311.68 mi (501.60 km) |
| Saint-Omer to Sinzheim | 297.10 mi (478.14 km) |
| Saint-Omer to Sinzig | 219.08 mi (352.57 km) |
| Saint-Omer to Soest | 259.64 mi (417.86 km) |
| Saint-Omer to Solingen | 211.83 mi (340.90 km) |
| Saint-Omer to Soltau | 357.85 mi (575.91 km) |
| Saint-Omer to Sommerda | 386.27 mi (621.65 km) |
| Saint-Omer to Sondershausen | 375.95 mi (605.03 km) |
| Saint-Omer to Sonneberg | 391.72 mi (630.42 km) |
