| Mastic to Sestu | 4,163.56 mi (6,700.61 km) |
| Mastic to Settimo Torinese | 3,911.65 mi (6,295.20 km) |
| Mastic to Seveso | 3,955.16 mi (6,365.21 km) |
| Mastic to Sezze | 4,265.97 mi (6,865.42 km) |
| Mastic to Siano | 4,363.35 mi (7,022.14 km) |
| Mastic to Siena | 4,126.31 mi (6,640.65 km) |
| Mastic to Signa | 4,100.54 mi (6,599.19 km) |
| Mastic to Silea | 4,089.80 mi (6,581.89 km) |
| Mastic to Silvi Paese | 4,274.79 mi (6,879.61 km) |
| Mastic to Sinalunga | 4,147.37 mi (6,674.54 km) |
| Mastic to Siniscola | 4,147.02 mi (6,673.98 km) |
| Mastic to Sinnai | 4,168.59 mi (6,708.69 km) |
| Mastic to Siracusa | 4,530.39 mi (7,290.95 km) |
| Mastic to Solaro | 3,953.74 mi (6,362.94 km) |
| Mastic to Soliera | 4,061.27 mi (6,535.98 km) |
