| Santander to Sulakyurt | 1,929.35 mi (3,104.98 km) |
| Santander to Sultanbeyli | 1,689.66 mi (2,719.25 km) |
| Santander to Sultandagi | 1,844.51 mi (2,968.45 km) |
| Santander to Sultanhani | 1,967.91 mi (3,167.05 km) |
| Santander to Sultanhisar | 1,707.33 mi (2,747.68 km) |
| Santander to Suluova | 2,010.35 mi (3,235.34 km) |
| Santander to Sumbas | 2,114.47 mi (3,402.91 km) |
| Santander to Sungurlu | 1,962.13 mi (3,157.74 km) |
| Santander to Surmene | 2,229.07 mi (3,587.35 km) |
| Santander to Suruc | 2,247.77 mi (3,617.43 km) |
| Santander to Susehri | 2,146.78 mi (3,454.92 km) |
| Santander to Susurluk | 1,657.05 mi (2,666.77 km) |
| Santander to Susuz | 2,380.78 mi (3,831.50 km) |
| Santander to Sutculer | 1,859.81 mi (2,993.08 km) |
| Santander to Talas | 2,057.63 mi (3,311.44 km) |
