| Surdulica to Siran | 893.68 mi (1,438.24 km) |
| Surdulica to Sirnak | 1,127.06 mi (1,813.82 km) |
| Surdulica to Sirvan | 1,090.23 mi (1,754.55 km) |
| Surdulica to Sivas | 796.91 mi (1,282.50 km) |
| Surdulica to Sivasli | 489.78 mi (788.22 km) |
| Surdulica to Siverek | 964.95 mi (1,552.93 km) |
| Surdulica to Sivrice | 944.48 mi (1,520.00 km) |
| Surdulica to Sivrihisar | 536.72 mi (863.77 km) |
| Surdulica to Sogut | 454.66 mi (731.71 km) |
| Surdulica to Sogutlu | 445.73 mi (717.34 km) |
| Surdulica to Soke | 439.36 mi (707.08 km) |
| Surdulica to Solhan | 1,017.97 mi (1,638.27 km) |
| Surdulica to Soma | 373.17 mi (600.56 km) |
| Surdulica to Sorgun | 704.30 mi (1,133.46 km) |
| Surdulica to Suhut | 524.86 mi (844.68 km) |
