| Alcanena to Sestu | 946.90 mi (1,523.89 km) |
| Alcanena to Settimo Torinese | 924.32 mi (1,487.55 km) |
| Alcanena to Seveso | 998.71 mi (1,607.26 km) |
| Alcanena to Sezze | 1,147.67 mi (1,846.99 km) |
| Alcanena to Siano | 1,233.81 mi (1,985.63 km) |
| Alcanena to Siena | 1,067.32 mi (1,717.68 km) |
| Alcanena to Signa | 1,060.64 mi (1,706.94 km) |
| Alcanena to Silea | 1,145.09 mi (1,842.85 km) |
| Alcanena to Silvi Paese | 1,203.04 mi (1,936.11 km) |
| Alcanena to Sinalunga | 1,086.49 mi (1,748.54 km) |
| Alcanena to Siniscola | 972.87 mi (1,565.69 km) |
| Alcanena to Sinnai | 952.79 mi (1,533.37 km) |
| Alcanena to Siracusa | 1,306.05 mi (2,101.88 km) |
| Alcanena to Solaro | 995.62 mi (1,602.30 km) |
| Alcanena to Soliera | 1,065.09 mi (1,714.09 km) |
