| Cities | Distance |
|---|---|
| Santander to Sestu | 726.84 mi (1,169.74 km) |
| Santander to Settimo Torinese | 583.22 mi (938.60 km) |
| Santander to Seveso | 654.00 mi (1,052.52 km) |
| Santander to Sezze | 868.79 mi (1,398.19 km) |
| Santander to Siano | 963.43 mi (1,550.50 km) |
| Santander to Siena | 759.01 mi (1,221.50 km) |
| Santander to Signa | 744.81 mi (1,198.66 km) |
| Santander to Silea | 805.59 mi (1,296.47 km) |
| Santander to Silvi Paese | 905.96 mi (1,458.00 km) |
| Santander to Sinalunga | 779.87 mi (1,255.08 km) |
| Santander to Siniscola | 720.27 mi (1,159.16 km) |
| Santander to Sinnai | 732.03 mi (1,178.08 km) |
| Santander to Siracusa | 1,095.96 mi (1,763.77 km) |
| Santander to Solaro | 651.15 mi (1,047.93 km) |
| Santander to Soliera | 735.10 mi (1,183.03 km) |