| Trapani to Siran | 1,429.32 mi (2,300.27 km) |
| Trapani to Sirnak | 1,628.72 mi (2,621.17 km) |
| Trapani to Sirvan | 1,599.12 mi (2,573.53 km) |
| Trapani to Sivas | 1,319.09 mi (2,122.87 km) |
| Trapani to Sivasli | 930.76 mi (1,497.91 km) |
| Trapani to Siverek | 1,456.59 mi (2,344.15 km) |
| Trapani to Sivrice | 1,449.50 mi (2,332.75 km) |
| Trapani to Sivrihisar | 1,028.11 mi (1,654.59 km) |
| Trapani to Sogut | 956.77 mi (1,539.77 km) |
| Trapani to Sogutlu | 977.14 mi (1,572.56 km) |
| Trapani to Soke | 811.61 mi (1,306.17 km) |
| Trapani to Solhan | 1,538.40 mi (2,475.82 km) |
| Trapani to Soma | 818.05 mi (1,316.53 km) |
| Trapani to Sorgun | 1,222.02 mi (1,966.65 km) |
| Trapani to Suhut | 977.10 mi (1,572.50 km) |
