| Cities | Distance |
|---|---|
| Tulcea to Siran | 627.27 mi (1,009.49 km) |
| Tulcea to Sirnak | 882.69 mi (1,420.55 km) |
| Tulcea to Sirvan | 840.37 mi (1,352.44 km) |
| Tulcea to Sivas | 562.18 mi (904.74 km) |
| Tulcea to Sivasli | 465.60 mi (749.32 km) |
| Tulcea to Siverek | 747.62 mi (1,203.18 km) |
| Tulcea to Sivrice | 713.12 mi (1,147.66 km) |
| Tulcea to Sivrihisar | 420.47 mi (676.68 km) |
| Tulcea to Sogut | 364.13 mi (586.02 km) |
| Tulcea to Sogutlu | 308.34 mi (496.22 km) |
| Tulcea to Soke | 518.99 mi (835.23 km) |
| Tulcea to Solhan | 760.05 mi (1,223.18 km) |
| Tulcea to Soma | 419.12 mi (674.51 km) |
| Tulcea to Sorgun | 493.55 mi (794.29 km) |
| Tulcea to Suhut | 468.74 mi (754.37 km) |