| Irig to Siran | 1,033.76 mi (1,663.68 km) |
| Irig to Sirnak | 1,279.31 mi (2,058.85 km) |
| Irig to Sirvan | 1,239.88 mi (1,995.40 km) |
| Irig to Sivas | 947.96 mi (1,525.60 km) |
| Irig to Sivasli | 681.43 mi (1,096.66 km) |
| Irig to Siverek | 1,125.19 mi (1,810.82 km) |
| Irig to Sivrice | 1,099.48 mi (1,769.44 km) |
| Irig to Sivrihisar | 712.64 mi (1,146.89 km) |
| Irig to Sogut | 631.46 mi (1,016.23 km) |
| Irig to Sogutlu | 609.98 mi (981.66 km) |
| Irig to Soke | 640.67 mi (1,031.05 km) |
| Irig to Solhan | 1,163.43 mi (1,872.37 km) |
| Irig to Soma | 569.42 mi (916.40 km) |
| Irig to Sorgun | 861.21 mi (1,385.98 km) |
| Irig to Suhut | 712.62 mi (1,146.85 km) |
