| Kasterlee to Somma Lombardo | 421.11 mi (677.70 km) |
| Kasterlee to Somma Vesuviana | 847.55 mi (1,364.00 km) |
| Kasterlee to Sommacampagna | 486.31 mi (782.64 km) |
| Kasterlee to Sona | 483.93 mi (778.81 km) |
| Kasterlee to Sondrio | 416.35 mi (670.06 km) |
| Kasterlee to Sora | 775.89 mi (1,248.68 km) |
| Kasterlee to Sorbolo | 509.83 mi (820.49 km) |
| Kasterlee to Soresina | 469.54 mi (755.66 km) |
| Kasterlee to Sorisole | 437.40 mi (703.93 km) |
| Kasterlee to Sorrento | 860.79 mi (1,385.30 km) |
| Kasterlee to Sorso | 742.57 mi (1,195.05 km) |
| Kasterlee to Sortino | 1,091.37 mi (1,756.39 km) |
| Kasterlee to Soverato Marina | 1,034.29 mi (1,664.52 km) |
| Kasterlee to Sovicille | 623.78 mi (1,003.87 km) |
| Kasterlee to Spello | 675.64 mi (1,087.33 km) |
