| Cities | Distance |
|---|---|
| Constanta to Serik | 517.33 mi (832.56 km) |
| Constanta to Serinhisar | 456.26 mi (734.28 km) |
| Constanta to Serinyol | 669.86 mi (1,078.04 km) |
| Constanta to Seydisehir | 495.60 mi (797.59 km) |
| Constanta to Seyhan | 607.77 mi (978.12 km) |
| Constanta to Seyitgazi | 342.99 mi (551.99 km) |
| Constanta to Siirt | 815.30 mi (1,312.10 km) |
| Constanta to Sile | 212.51 mi (342.01 km) |
| Constanta to Silifke | 606.11 mi (975.45 km) |
| Constanta to Silivri | 214.61 mi (345.38 km) |
| Constanta to Silopi | 866.35 mi (1,394.25 km) |
| Constanta to Simav | 351.69 mi (565.99 km) |
| Constanta to Sinanpasa | 383.48 mi (617.16 km) |
| Constanta to Sindirgi | 341.22 mi (549.14 km) |
| Constanta to Sinop | 360.41 mi (580.02 km) |