| Wattwil to Solofra | 530.08 mi (853.08 km) |
| Wattwil to Somma Lombardo | 112.89 mi (181.67 km) |
| Wattwil to Somma Vesuviana | 516.97 mi (831.98 km) |
| Wattwil to Sommacampagna | 155.74 mi (250.64 km) |
| Wattwil to Sona | 153.36 mi (246.81 km) |
| Wattwil to Sondrio | 86.26 mi (138.83 km) |
| Wattwil to Sora | 445.34 mi (716.71 km) |
| Wattwil to Sorbolo | 181.45 mi (292.01 km) |
| Wattwil to Soresina | 143.65 mi (231.19 km) |
| Wattwil to Sorisole | 111.06 mi (178.73 km) |
| Wattwil to Sorrento | 530.25 mi (853.35 km) |
| Wattwil to Sorso | 449.63 mi (723.60 km) |
| Wattwil to Sortino | 762.61 mi (1,227.30 km) |
| Wattwil to Soverato Marina | 703.88 mi (1,132.79 km) |
| Wattwil to Sovicille | 296.25 mi (476.77 km) |
