| Porto de Mos to Sestu | 954.14 mi (1,535.55 km) |
| Porto de Mos to Settimo Torinese | 926.60 mi (1,491.21 km) |
| Porto de Mos to Seveso | 1,000.83 mi (1,610.69 km) |
| Porto de Mos to Sezze | 1,153.24 mi (1,855.96 km) |
| Porto de Mos to Siano | 1,239.81 mi (1,995.28 km) |
| Porto de Mos to Siena | 1,071.55 mi (1,724.49 km) |
| Porto de Mos to Signa | 1,064.50 mi (1,713.15 km) |
| Porto de Mos to Silea | 1,147.70 mi (1,847.05 km) |
| Porto de Mos to Silvi Paese | 1,207.93 mi (1,943.98 km) |
| Porto de Mos to Sinalunga | 1,090.83 mi (1,755.51 km) |
| Porto de Mos to Siniscola | 979.14 mi (1,575.78 km) |
| Porto de Mos to Sinnai | 960.02 mi (1,545.01 km) |
| Porto de Mos to Siracusa | 1,314.05 mi (2,114.76 km) |
| Porto de Mos to Solaro | 997.76 mi (1,605.75 km) |
| Porto de Mos to Soliera | 1,068.20 mi (1,719.11 km) |
