| Ronciglione to Cervello | 531.16 mi (854.82 km) |
| Ronciglione to Cervera | 563.38 mi (906.66 km) |
| Ronciglione to Ceuti | 767.96 mi (1,235.91 km) |
| Ronciglione to Cheste | 700.42 mi (1,127.21 km) |
| Ronciglione to Chiclana de la Frontera | 1,058.99 mi (1,704.27 km) |
| Ronciglione to Chipiona | 1,062.82 mi (1,710.44 km) |
| Ronciglione to Chiva | 702.38 mi (1,130.37 km) |
| Ronciglione to Churriana de la Vega | 913.04 mi (1,469.39 km) |
| Ronciglione to Ciempozuelos | 834.58 mi (1,343.13 km) |
| Ronciglione to Cieza | 770.26 mi (1,239.61 km) |
| Ronciglione to Cisterniga | 868.11 mi (1,397.08 km) |
| Ronciglione to Ciudad de Melilla | 947.23 mi (1,524.42 km) |
| Ronciglione to Ciudad Real | 874.59 mi (1,407.52 km) |
| Ronciglione to Ciudad-Rodrigo | 976.33 mi (1,571.24 km) |
| Ronciglione to Cocentaina | 707.55 mi (1,138.69 km) |
