| Issoudun to Siran | 1,897.51 mi (3,053.76 km) |
| Issoudun to Sirnak | 2,143.37 mi (3,449.42 km) |
| Issoudun to Sirvan | 2,104.07 mi (3,386.18 km) |
| Issoudun to Sivas | 1,811.88 mi (2,915.93 km) |
| Issoudun to Sivasli | 1,512.40 mi (2,433.97 km) |
| Issoudun to Siverek | 1,987.39 mi (3,198.40 km) |
| Issoudun to Sivrice | 1,963.00 mi (3,159.15 km) |
| Issoudun to Sivrihisar | 1,564.63 mi (2,518.02 km) |
| Issoudun to Sogut | 1,482.55 mi (2,385.93 km) |
| Issoudun to Sogutlu | 1,468.89 mi (2,363.95 km) |
| Issoudun to Soke | 1,436.33 mi (2,311.54 km) |
| Issoudun to Solhan | 2,027.57 mi (3,263.06 km) |
| Issoudun to Soma | 1,391.71 mi (2,239.75 km) |
| Issoudun to Sorgun | 1,723.85 mi (2,774.28 km) |
| Issoudun to Suhut | 1,550.45 mi (2,495.20 km) |
