| Widnau to Solofra | 522.01 mi (840.10 km) |
| Widnau to Somma Lombardo | 126.61 mi (203.76 km) |
| Widnau to Somma Vesuviana | 509.78 mi (820.41 km) |
| Widnau to Sommacampagna | 149.83 mi (241.13 km) |
| Widnau to Sona | 147.39 mi (237.21 km) |
| Widnau to Sondrio | 85.72 mi (137.95 km) |
| Widnau to Sora | 438.76 mi (706.11 km) |
| Widnau to Sorbolo | 180.69 mi (290.79 km) |
| Widnau to Soresina | 146.40 mi (235.60 km) |
| Widnau to Sorisole | 114.85 mi (184.84 km) |
| Widnau to Sorrento | 523.59 mi (842.63 km) |
| Widnau to Sorso | 459.10 mi (738.85 km) |
| Widnau to Sortino | 758.52 mi (1,220.72 km) |
| Widnau to Soverato Marina | 695.54 mi (1,119.36 km) |
| Widnau to Sovicille | 294.82 mi (474.47 km) |
