| Santa Iria da Azoia to Sestu | 974.03 mi (1,567.56 km) |
| Santa Iria da Azoia to Settimo Torinese | 965.86 mi (1,554.41 km) |
| Santa Iria da Azoia to Seveso | 1,040.52 mi (1,674.56 km) |
| Santa Iria da Azoia to Sezze | 1,180.58 mi (1,899.96 km) |
| Santa Iria da Azoia to Siano | 1,265.30 mi (2,036.31 km) |
| Santa Iria da Azoia to Siena | 1,104.23 mi (1,777.08 km) |
| Santa Iria da Azoia to Signa | 1,098.52 mi (1,767.89 km) |
| Santa Iria da Azoia to Silea | 1,185.85 mi (1,908.45 km) |
| Santa Iria da Azoia to Silvi Paese | 1,238.03 mi (1,992.42 km) |
| Santa Iria da Azoia to Sinalunga | 1,123.12 mi (1,807.48 km) |
| Santa Iria da Azoia to Siniscola | 1,003.61 mi (1,615.15 km) |
| Santa Iria da Azoia to Sinnai | 979.96 mi (1,577.09 km) |
| Santa Iria da Azoia to Siracusa | 1,329.63 mi (2,139.83 km) |
| Santa Iria da Azoia to Solaro | 1,037.41 mi (1,669.56 km) |
| Santa Iria da Azoia to Soliera | 1,104.76 mi (1,777.95 km) |
