| Rianxo to Sestu | 960.44 mi (1,545.68 km) |
| Rianxo to Settimo Torinese | 841.76 mi (1,354.68 km) |
| Rianxo to Seveso | 911.74 mi (1,467.31 km) |
| Rianxo to Sezze | 1,121.97 mi (1,805.64 km) |
| Rianxo to Siano | 1,215.13 mi (1,955.57 km) |
| Rianxo to Siena | 1,016.95 mi (1,636.63 km) |
| Rianxo to Signa | 1,003.49 mi (1,614.96 km) |
| Rianxo to Silea | 1,063.77 mi (1,711.98 km) |
| Rianxo to Silvi Paese | 1,162.80 mi (1,871.35 km) |
| Rianxo to Sinalunga | 1,037.67 mi (1,669.97 km) |
| Rianxo to Siniscola | 965.04 mi (1,553.09 km) |
| Rianxo to Sinnai | 965.97 mi (1,554.58 km) |
| Rianxo to Siracusa | 1,330.06 mi (2,140.53 km) |
| Rianxo to Solaro | 908.95 mi (1,462.81 km) |
| Rianxo to Soliera | 994.19 mi (1,600.00 km) |
