| Santander to Srbobran | 1,166.98 mi (1,878.07 km) |
| Santander to Sremska Kamenica | 1,170.42 mi (1,883.62 km) |
| Santander to Sremska Mitrovica | 1,160.23 mi (1,867.21 km) |
| Santander to Sremski Karlovci | 1,175.06 mi (1,891.08 km) |
| Santander to Stara Pazova | 1,187.22 mi (1,910.65 km) |
| Santander to Subotica | 1,161.02 mi (1,868.48 km) |
| Santander to Surcin | 1,193.75 mi (1,921.15 km) |
| Santander to Surdulica | 1,306.49 mi (2,102.59 km) |
| Santander to Svilajnac | 1,242.41 mi (1,999.47 km) |
| Santander to Svrljig | 1,295.16 mi (2,084.36 km) |
| Santander to Temerin | 1,172.05 mi (1,886.24 km) |
| Santander to Titel | 1,192.88 mi (1,919.76 km) |
| Santander to Topola | 1,216.36 mi (1,957.54 km) |
| Santander to Trgoviste | 1,307.56 mi (2,104.32 km) |
| Santander to Trstenik | 1,237.61 mi (1,991.75 km) |
