| Montesilvano to Siran | 1,300.61 mi (2,093.14 km) |
| Montesilvano to Sirnak | 1,529.57 mi (2,461.61 km) |
| Montesilvano to Sirvan | 1,493.97 mi (2,404.32 km) |
| Montesilvano to Sivas | 1,201.48 mi (1,933.60 km) |
| Montesilvano to Sivasli | 860.85 mi (1,385.41 km) |
| Montesilvano to Siverek | 1,364.11 mi (2,195.32 km) |
| Montesilvano to Sivrice | 1,346.63 mi (2,167.19 km) |
| Montesilvano to Sivrihisar | 929.54 mi (1,495.96 km) |
| Montesilvano to Sogut | 848.90 mi (1,366.17 km) |
| Montesilvano to Sogutlu | 848.53 mi (1,365.58 km) |
| Montesilvano to Soke | 772.82 mi (1,243.73 km) |
| Montesilvano to Solhan | 1,423.37 mi (2,290.69 km) |
| Montesilvano to Soma | 739.05 mi (1,189.39 km) |
| Montesilvano to Sorgun | 1,107.25 mi (1,781.95 km) |
| Montesilvano to Suhut | 902.35 mi (1,452.19 km) |
