| Trecastagni to Siran | 1,300.89 mi (2,093.59 km) |
| Trecastagni to Sirnak | 1,493.88 mi (2,404.16 km) |
| Trecastagni to Sirvan | 1,465.36 mi (2,358.26 km) |
| Trecastagni to Sivas | 1,189.10 mi (1,913.68 km) |
| Trecastagni to Sivasli | 795.79 mi (1,280.70 km) |
| Trecastagni to Siverek | 1,321.40 mi (2,126.58 km) |
| Trecastagni to Sivrice | 1,316.03 mi (2,117.94 km) |
| Trecastagni to Sivrihisar | 897.02 mi (1,443.61 km) |
| Trecastagni to Sogut | 828.48 mi (1,333.30 km) |
| Trecastagni to Sogutlu | 853.26 mi (1,373.18 km) |
| Trecastagni to Soke | 673.62 mi (1,084.09 km) |
| Trecastagni to Solhan | 1,406.65 mi (2,263.79 km) |
| Trecastagni to Soma | 686.27 mi (1,104.45 km) |
| Trecastagni to Sorgun | 1,092.20 mi (1,757.73 km) |
| Trecastagni to Suhut | 842.40 mi (1,355.71 km) |
