| Tortosa to Siran | 2,012.12 mi (3,238.20 km) |
| Tortosa to Sirnak | 2,236.64 mi (3,599.52 km) |
| Tortosa to Sirvan | 2,202.29 mi (3,544.25 km) |
| Tortosa to Sivas | 1,911.11 mi (3,075.64 km) |
| Tortosa to Sivasli | 1,552.56 mi (2,498.61 km) |
| Tortosa to Siverek | 2,068.65 mi (3,329.17 km) |
| Tortosa to Sivrice | 2,053.84 mi (3,305.34 km) |
| Tortosa to Sivrihisar | 1,632.66 mi (2,627.51 km) |
| Tortosa to Sogut | 1,553.78 mi (2,500.57 km) |
| Tortosa to Sogutlu | 1,558.06 mi (2,507.46 km) |
| Tortosa to Soke | 1,447.73 mi (2,329.90 km) |
| Tortosa to Solhan | 2,133.36 mi (3,433.30 km) |
| Tortosa to Soma | 1,432.38 mi (2,305.19 km) |
| Tortosa to Sorgun | 1,815.88 mi (2,922.38 km) |
| Tortosa to Suhut | 1,596.69 mi (2,569.63 km) |
