| Cwmbran to Cehegin | 938.81 mi (1,510.87 km) |
| Cwmbran to Cervello | 746.73 mi (1,201.74 km) |
| Cwmbran to Cervera | 719.12 mi (1,157.31 km) |
| Cwmbran to Ceuti | 941.71 mi (1,515.53 km) |
| Cwmbran to Cheste | 848.54 mi (1,365.59 km) |
| Cwmbran to Chiclana de la Frontera | 1,063.88 mi (1,712.15 km) |
| Cwmbran to Chipiona | 1,044.32 mi (1,680.67 km) |
| Cwmbran to Chiva | 848.88 mi (1,366.15 km) |
| Cwmbran to Churriana de la Vega | 1,002.53 mi (1,613.42 km) |
| Cwmbran to Ciempozuelos | 794.66 mi (1,278.88 km) |
| Cwmbran to Cieza | 930.05 mi (1,496.77 km) |
| Cwmbran to Cisterniga | 697.86 mi (1,123.10 km) |
| Cwmbran to Ciudad de Melilla | 1,131.10 mi (1,820.33 km) |
| Cwmbran to Ciudad Real | 876.45 mi (1,410.52 km) |
| Cwmbran to Ciudad-Rodrigo | 782.02 mi (1,258.54 km) |
