| Santander to Sentrupert | 941.41 mi (1,515.05 km) |
| Santander to Sevnica | 951.83 mi (1,531.82 km) |
| Santander to Sezana | 881.60 mi (1,418.80 km) |
| Santander to Skocjan | 950.78 mi (1,530.13 km) |
| Santander to Skofja Loka | 904.88 mi (1,456.26 km) |
| Santander to Skofljica | 916.84 mi (1,475.52 km) |
| Santander to Slovenj Gradec | 944.07 mi (1,519.34 km) |
| Santander to Slovenska Bistrica | 966.77 mi (1,555.86 km) |
| Santander to Slovenske Konjice | 959.25 mi (1,543.76 km) |
| Santander to Smarje | 963.14 mi (1,550.02 km) |
| Santander to Smarjeske Toplice | 947.24 mi (1,524.43 km) |
| Santander to Smartno | 930.10 mi (1,496.86 km) |
| Santander to Smartno | 940.63 mi (1,513.79 km) |
| Santander to Sodrazica | 918.71 mi (1,478.52 km) |
| Santander to Solcava | 925.09 mi (1,488.78 km) |
