| Sommacampagna to Sestu | 430.93 mi (693.52 km) |
| Sommacampagna to Settimo Torinese | 151.05 mi (243.10 km) |
| Sommacampagna to Seveso | 84.59 mi (136.14 km) |
| Sommacampagna to Sezze | 291.47 mi (469.08 km) |
| Sommacampagna to Siano | 372.08 mi (598.80 km) |
| Sommacampagna to Siena | 145.78 mi (234.62 km) |
| Sommacampagna to Signa | 112.38 mi (180.86 km) |
| Sommacampagna to Silea | 72.20 mi (116.20 km) |
| Sommacampagna to Silvi Paese | 255.22 mi (410.73 km) |
| Sommacampagna to Sinalunga | 157.04 mi (252.74 km) |
| Sommacampagna to Siniscola | 338.47 mi (544.72 km) |
| Sommacampagna to Sinnai | 429.57 mi (691.33 km) |
| Sommacampagna to Siracusa | 619.81 mi (997.48 km) |
| Sommacampagna to Solaro | 86.80 mi (139.69 km) |
| Sommacampagna to Soliera | 45.88 mi (73.83 km) |
