| Sulmona to Siran | 1,313.21 mi (2,113.40 km) |
| Sulmona to Sirnak | 1,539.38 mi (2,477.39 km) |
| Sulmona to Sirvan | 1,504.37 mi (2,421.05 km) |
| Sulmona to Sivas | 1,212.56 mi (1,951.42 km) |
| Sulmona to Sivasli | 865.03 mi (1,392.13 km) |
| Sulmona to Siverek | 1,372.81 mi (2,209.33 km) |
| Sulmona to Sivrice | 1,356.44 mi (2,182.98 km) |
| Sulmona to Sivrihisar | 937.39 mi (1,508.58 km) |
| Sulmona to Sogut | 857.37 mi (1,379.81 km) |
| Sulmona to Sogutlu | 859.44 mi (1,383.14 km) |
| Sulmona to Soke | 772.85 mi (1,243.78 km) |
| Sulmona to Solhan | 1,434.71 mi (2,308.94 km) |
| Sulmona to Soma | 743.38 mi (1,196.36 km) |
| Sulmona to Sorgun | 1,117.70 mi (1,798.77 km) |
| Sulmona to Suhut | 907.33 mi (1,460.20 km) |
