| Mastic to Solofra | 4,369.12 mi (7,031.41 km) |
| Mastic to Somma Lombardo | 3,935.07 mi (6,332.88 km) |
| Mastic to Somma Vesuviana | 4,349.37 mi (6,999.64 km) |
| Mastic to Sommacampagna | 4,036.47 mi (6,496.07 km) |
| Mastic to Sona | 4,034.67 mi (6,493.18 km) |
| Mastic to Sondrio | 3,970.02 mi (6,389.13 km) |
| Mastic to Sora | 4,282.58 mi (6,892.14 km) |
| Mastic to Sorbolo | 4,037.18 mi (6,497.21 km) |
| Mastic to Soresina | 3,997.45 mi (6,433.27 km) |
| Mastic to Sorisole | 3,974.50 mi (6,396.34 km) |
| Mastic to Sorrento | 4,355.51 mi (7,009.51 km) |
| Mastic to Sorso | 4,088.41 mi (6,579.66 km) |
| Mastic to Sortino | 4,515.00 mi (7,266.19 km) |
| Mastic to Soverato Marina | 4,525.64 mi (7,283.32 km) |
| Mastic to Sovicille | 4,123.19 mi (6,635.63 km) |
