| Middelkerke to Somma Lombardo | 465.68 mi (749.44 km) |
| Middelkerke to Somma Vesuviana | 902.31 mi (1,452.13 km) |
| Middelkerke to Sommacampagna | 543.47 mi (874.63 km) |
| Middelkerke to Sona | 541.18 mi (870.95 km) |
| Middelkerke to Sondrio | 472.38 mi (760.22 km) |
| Middelkerke to Sora | 830.14 mi (1,335.98 km) |
| Middelkerke to Sorbolo | 561.64 mi (903.87 km) |
| Middelkerke to Soresina | 520.06 mi (836.96 km) |
| Middelkerke to Sorisole | 489.25 mi (787.37 km) |
| Middelkerke to Sorrento | 914.56 mi (1,471.84 km) |
| Middelkerke to Sorso | 768.42 mi (1,236.66 km) |
| Middelkerke to Sortino | 1,138.74 mi (1,832.62 km) |
| Middelkerke to Soverato Marina | 1,090.37 mi (1,754.79 km) |
| Middelkerke to Sovicille | 672.76 mi (1,082.70 km) |
| Middelkerke to Spello | 730.48 mi (1,175.60 km) |
