| Welling to Solofra | 1,014.60 mi (1,632.84 km) |
| Welling to Somma Lombardo | 559.21 mi (899.96 km) |
| Welling to Somma Vesuviana | 999.06 mi (1,607.83 km) |
| Welling to Sommacampagna | 645.18 mi (1,038.31 km) |
| Welling to Sona | 642.99 mi (1,034.79 km) |
| Welling to Sondrio | 574.30 mi (924.24 km) |
| Welling to Sora | 926.91 mi (1,491.71 km) |
| Welling to Sorbolo | 659.06 mi (1,060.66 km) |
| Welling to Soresina | 617.13 mi (993.18 km) |
| Welling to Sorisole | 587.85 mi (946.06 km) |
| Welling to Sorrento | 1,010.39 mi (1,626.07 km) |
| Welling to Sorso | 839.54 mi (1,351.10 km) |
| Welling to Sortino | 1,227.65 mi (1,975.71 km) |
| Welling to Soverato Marina | 1,187.36 mi (1,910.87 km) |
| Welling to Sovicille | 766.49 mi (1,233.54 km) |
