| Cassino to Siran | 1,320.41 mi (2,125.00 km) |
| Cassino to Sirnak | 1,543.18 mi (2,483.51 km) |
| Cassino to Sirvan | 1,508.88 mi (2,428.31 km) |
| Cassino to Sivas | 1,218.08 mi (1,960.31 km) |
| Cassino to Sivasli | 863.15 mi (1,389.11 km) |
| Cassino to Siverek | 1,375.46 mi (2,213.59 km) |
| Cassino to Sivrice | 1,360.38 mi (2,189.33 km) |
| Cassino to Sivrihisar | 939.53 mi (1,512.03 km) |
| Cassino to Sogut | 860.37 mi (1,384.64 km) |
| Cassino to Sogutlu | 865.23 mi (1,392.46 km) |
| Cassino to Soke | 766.55 mi (1,233.64 km) |
| Cassino to Solhan | 1,440.37 mi (2,318.06 km) |
| Cassino to Soma | 741.94 mi (1,194.04 km) |
| Cassino to Sorgun | 1,122.60 mi (1,806.65 km) |
| Cassino to Suhut | 906.28 mi (1,458.51 km) |
