| Risca to Cehegin | 935.93 mi (1,506.24 km) |
| Risca to Cervello | 744.86 mi (1,198.74 km) |
| Risca to Cervera | 717.10 mi (1,154.07 km) |
| Risca to Ceuti | 938.93 mi (1,511.06 km) |
| Risca to Cheste | 845.91 mi (1,361.37 km) |
| Risca to Chiclana de la Frontera | 1,060.32 mi (1,706.42 km) |
| Risca to Chipiona | 1,040.72 mi (1,674.87 km) |
| Risca to Chiva | 846.25 mi (1,361.91 km) |
| Risca to Churriana de la Vega | 999.32 mi (1,608.26 km) |
| Risca to Ciempozuelos | 791.44 mi (1,273.69 km) |
| Risca to Cieza | 927.24 mi (1,492.26 km) |
| Risca to Cisterniga | 694.41 mi (1,117.55 km) |
| Risca to Ciudad de Melilla | 1,128.01 mi (1,815.35 km) |
| Risca to Ciudad Real | 873.19 mi (1,405.26 km) |
| Risca to Ciudad-Rodrigo | 778.29 mi (1,252.54 km) |
