| Cwmbran to Cividale del Friuli | 837.81 mi (1,348.33 km) |
| Cwmbran to Civita Castellana | 969.66 mi (1,560.52 km) |
| Cwmbran to Civitanova Marche | 968.47 mi (1,558.61 km) |
| Cwmbran to Civitavecchia | 958.74 mi (1,542.94 km) |
| Cwmbran to Civitella in Val di Chiana | 889.56 mi (1,431.61 km) |
| Cwmbran to Clusone | 711.02 mi (1,144.28 km) |
| Cwmbran to Coccaglio | 726.12 mi (1,168.58 km) |
| Cwmbran to Codigoro | 838.39 mi (1,349.26 km) |
| Cwmbran to Codogno | 734.46 mi (1,182.00 km) |
| Cwmbran to Codroipo | 824.97 mi (1,327.67 km) |
| Cwmbran to Cogoleto | 734.98 mi (1,182.83 km) |
| Cwmbran to Colle di Val d'Elsa | 869.82 mi (1,399.84 km) |
| Cwmbran to Colle Salvetti | 837.28 mi (1,347.47 km) |
| Cwmbran to Collecchio | 772.05 mi (1,242.49 km) |
| Cwmbran to Colleferro | 1,019.36 mi (1,640.51 km) |
