| Welling to Sestu | 944.88 mi (1,520.64 km) |
| Welling to Settimo Torinese | 560.56 mi (902.13 km) |
| Welling to Seveso | 575.37 mi (925.97 km) |
| Welling to Sezze | 921.17 mi (1,482.49 km) |
| Welling to Siano | 1,011.19 mi (1,627.36 km) |
| Welling to Siena | 767.70 mi (1,235.49 km) |
| Welling to Signa | 735.54 mi (1,183.73 km) |
| Welling to Silea | 685.21 mi (1,102.74 km) |
| Welling to Silvi Paese | 899.68 mi (1,447.90 km) |
| Welling to Sinalunga | 785.93 mi (1,264.83 km) |
| Welling to Siniscola | 879.93 mi (1,416.10 km) |
| Welling to Sinnai | 947.14 mi (1,524.28 km) |
| Welling to Siracusa | 1,240.76 mi (1,996.81 km) |
| Welling to Solaro | 575.08 mi (925.51 km) |
| Welling to Soliera | 680.40 mi (1,095.00 km) |
