| Poperinge to Siegburg | 195.47 mi (314.58 km) |
| Poperinge to Siegen | 230.67 mi (371.24 km) |
| Poperinge to Sigmaringen | 348.39 mi (560.67 km) |
| Poperinge to Simbach am Inn | 494.14 mi (795.24 km) |
| Poperinge to Simmerath | 157.29 mi (253.14 km) |
| Poperinge to Sindelfingen | 316.57 mi (509.47 km) |
| Poperinge to Sinsheim | 294.71 mi (474.29 km) |
| Poperinge to Sinzheim | 282.34 mi (454.38 km) |
| Poperinge to Sinzig | 199.20 mi (320.58 km) |
| Poperinge to Soest | 238.15 mi (383.27 km) |
| Poperinge to Solingen | 190.63 mi (306.79 km) |
| Poperinge to Soltau | 336.51 mi (541.56 km) |
| Poperinge to Sommerda | 365.22 mi (587.77 km) |
| Poperinge to Sondershausen | 354.73 mi (570.88 km) |
| Poperinge to Sonneberg | 371.60 mi (598.04 km) |
