| Middelkerke to Settimo Torinese | 475.99 mi (766.03 km) |
| Middelkerke to Seveso | 479.77 mi (772.12 km) |
| Middelkerke to Sezze | 826.98 mi (1,330.89 km) |
| Middelkerke to Siano | 913.87 mi (1,470.73 km) |
| Middelkerke to Siena | 673.42 mi (1,083.76 km) |
| Middelkerke to Signa | 640.26 mi (1,030.39 km) |
| Middelkerke to Silea | 577.85 mi (929.96 km) |
| Middelkerke to Silvi Paese | 798.66 mi (1,285.33 km) |
| Middelkerke to Sinalunga | 690.46 mi (1,111.20 km) |
| Middelkerke to Siniscola | 803.42 mi (1,292.99 km) |
| Middelkerke to Sinnai | 876.92 mi (1,411.27 km) |
| Middelkerke to Siracusa | 1,151.26 mi (1,852.78 km) |
| Middelkerke to Solaro | 479.92 mi (772.35 km) |
| Middelkerke to Soliera | 581.55 mi (935.92 km) |
| Middelkerke to Solofra | 916.72 mi (1,475.32 km) |
