| Constanta to Cortona | 832.02 mi (1,339.01 km) |
| Constanta to Cosenza | 720.56 mi (1,159.63 km) |
| Constanta to Cossato | 1,004.15 mi (1,616.02 km) |
| Constanta to Costa Volpino | 910.70 mi (1,465.64 km) |
| Constanta to Creazzo | 843.73 mi (1,357.86 km) |
| Constanta to Crema | 931.11 mi (1,498.48 km) |
| Constanta to Cremona | 914.67 mi (1,472.02 km) |
| Constanta to Crevalcore | 861.63 mi (1,386.66 km) |
| Constanta to Crispiano | 631.14 mi (1,015.73 km) |
| Constanta to Crosia | 687.42 mi (1,106.30 km) |
| Constanta to Crotone | 689.82 mi (1,110.15 km) |
| Constanta to Cuneo | 1,040.22 mi (1,674.08 km) |
| Constanta to Cuorgne | 1,029.66 mi (1,657.08 km) |
| Constanta to Cusano Milanino | 955.02 mi (1,536.95 km) |
| Constanta to Cutro | 697.73 mi (1,122.89 km) |
