| Wittmund to Somma Lombardo | 546.80 mi (879.99 km) |
| Wittmund to Somma Vesuviana | 930.57 mi (1,497.61 km) |
| Wittmund to Sommacampagna | 581.25 mi (935.43 km) |
| Wittmund to Sona | 578.83 mi (931.53 km) |
| Wittmund to Sondrio | 519.98 mi (836.83 km) |
| Wittmund to Sora | 862.46 mi (1,388.00 km) |
| Wittmund to Sorbolo | 614.88 mi (989.56 km) |
| Wittmund to Soresina | 580.16 mi (933.68 km) |
| Wittmund to Sorisole | 547.93 mi (881.80 km) |
| Wittmund to Sorrento | 945.78 mi (1,522.08 km) |
| Wittmund to Sorso | 883.56 mi (1,421.95 km) |
| Wittmund to Sortino | 1,185.60 mi (1,908.04 km) |
| Wittmund to Soverato Marina | 1,109.31 mi (1,785.27 km) |
| Wittmund to Sovicille | 728.27 mi (1,172.03 km) |
| Wittmund to Spello | 764.76 mi (1,230.77 km) |
