| Constanta to Cernavoda | 31.95 mi (51.43 km) |
| Constanta to Chitila | 133.13 mi (214.25 km) |
| Constanta to Cisnadie | 243.82 mi (392.39 km) |
| Constanta to Cluj-Napoca | 303.46 mi (488.38 km) |
| Constanta to Codlea | 188.43 mi (303.26 km) |
| Constanta to Comanesti | 188.95 mi (304.08 km) |
| Constanta to Comarnic | 165.17 mi (265.81 km) |
| Constanta to Corabia | 207.14 mi (333.35 km) |
| Constanta to Costesti | 188.44 mi (303.26 km) |
| Constanta to Covasna | 166.76 mi (268.37 km) |
| Constanta to Craiova | 238.62 mi (384.03 km) |
| Constanta to Cristuru Secuiesc | 228.45 mi (367.66 km) |
| Constanta to Cugir | 282.23 mi (454.21 km) |
| Constanta to Cumpana | 5.35 mi (8.61 km) |
| Constanta to Curtea de Arges | 205.61 mi (330.90 km) |
