| Santander to Sucha Beskidzka | 1,186.15 mi (1,908.93 km) |
| Santander to Suchanino | 1,256.70 mi (2,022.46 km) |
| Santander to Sulechow | 1,075.50 mi (1,730.85 km) |
| Santander to Sulecin | 1,067.75 mi (1,718.38 km) |
| Santander to Sulejowek | 1,302.50 mi (2,096.17 km) |
| Santander to Suwalki | 1,409.02 mi (2,267.60 km) |
| Santander to Swarzedz | 1,140.74 mi (1,835.85 km) |
| Santander to Swidnica | 1,076.27 mi (1,732.09 km) |
| Santander to Swidnik | 1,342.20 mi (2,160.06 km) |
| Santander to Swidwin | 1,136.91 mi (1,829.69 km) |
| Santander to Swiebodzice | 1,070.55 mi (1,722.89 km) |
| Santander to Swiecie | 1,221.53 mi (1,965.86 km) |
| Santander to Swiedbodzin | 1,077.43 mi (1,733.95 km) |
| Santander to Swietochlowice | 1,166.31 mi (1,876.99 km) |
| Santander to Swinoujscie | 1,089.73 mi (1,753.75 km) |
