| Constanta to Collegno | 1,034.70 mi (1,665.19 km) |
| Constanta to Cologno al Serio | 929.99 mi (1,496.67 km) |
| Constanta to Cologno Monzese | 950.45 mi (1,529.61 km) |
| Constanta to Colorno | 898.26 mi (1,445.61 km) |
| Constanta to Comacchio | 811.05 mi (1,305.26 km) |
| Constanta to Comiso | 887.60 mi (1,428.46 km) |
| Constanta to Como | 959.48 mi (1,544.14 km) |
| Constanta to Concordia Sagittaria | 778.13 mi (1,252.28 km) |
| Constanta to Concorezzo | 947.59 mi (1,524.99 km) |
| Constanta to Conegliano | 805.08 mi (1,295.66 km) |
| Constanta to Conselice | 829.05 mi (1,334.23 km) |
| Constanta to Conselve | 825.22 mi (1,328.07 km) |
| Constanta to Conversano | 625.69 mi (1,006.94 km) |
| Constanta to Copertino | 604.26 mi (972.46 km) |
| Constanta to Copparo | 827.51 mi (1,331.75 km) |
