| Constanta to Cividale del Friuli | 751.61 mi (1,209.61 km) |
| Constanta to Civita Castellana | 825.46 mi (1,328.45 km) |
| Constanta to Civitanova Marche | 745.25 mi (1,199.37 km) |
| Constanta to Civitavecchia | 859.12 mi (1,382.61 km) |
| Constanta to Civitella in Val di Chiana | 843.82 mi (1,358.00 km) |
| Constanta to Clusone | 917.92 mi (1,477.26 km) |
| Constanta to Coccaglio | 916.55 mi (1,475.04 km) |
| Constanta to Codigoro | 813.85 mi (1,309.76 km) |
| Constanta to Codogno | 930.57 mi (1,497.61 km) |
| Constanta to Codroipo | 772.65 mi (1,243.45 km) |
| Constanta to Cogoleto | 986.39 mi (1,587.44 km) |
| Constanta to Colle di Val d'Elsa | 872.90 mi (1,404.80 km) |
| Constanta to Colle Salvetti | 902.87 mi (1,453.02 km) |
| Constanta to Collecchio | 907.19 mi (1,459.98 km) |
| Constanta to Colleferro | 806.15 mi (1,297.37 km) |
