| Grottaferrata to Settimo Torinese | 337.41 mi (543.01 km) |
| Grottaferrata to Seveso | 319.46 mi (514.11 km) |
| Grottaferrata to Sezze | 28.51 mi (45.88 km) |
| Grottaferrata to Siano | 125.15 mi (201.41 km) |
| Grottaferrata to Siena | 125.81 mi (202.47 km) |
| Grottaferrata to Signa | 159.21 mi (256.23 km) |
| Grottaferrata to Silea | 267.80 mi (430.98 km) |
| Grottaferrata to Silvi Paese | 90.80 mi (146.13 km) |
| Grottaferrata to Sinalunga | 109.66 mi (176.48 km) |
| Grottaferrata to Siniscola | 175.98 mi (283.22 km) |
| Grottaferrata to Sinnai | 250.28 mi (402.79 km) |
| Grottaferrata to Siracusa | 354.64 mi (570.73 km) |
| Grottaferrata to Solaro | 319.33 mi (513.92 km) |
| Grottaferrata to Soliera | 221.95 mi (357.19 km) |
| Grottaferrata to Solofra | 130.89 mi (210.65 km) |
