| Marum to Cervello | 836.45 mi (1,346.13 km) |
| Marum to Cervera | 826.64 mi (1,330.36 km) |
| Marum to Ceuti | 1,101.73 mi (1,773.06 km) |
| Marum to Cheste | 999.93 mi (1,609.23 km) |
| Marum to Chiclana de la Frontera | 1,302.42 mi (2,096.04 km) |
| Marum to Chipiona | 1,288.80 mi (2,074.12 km) |
| Marum to Chiva | 1,001.02 mi (1,610.99 km) |
| Marum to Churriana de la Vega | 1,203.82 mi (1,937.36 km) |
| Marum to Ciempozuelos | 1,010.45 mi (1,626.16 km) |
| Marum to Cieza | 1,093.44 mi (1,759.73 km) |
| Marum to Cisterniga | 944.96 mi (1,520.77 km) |
| Marum to Ciudad de Melilla | 1,313.59 mi (2,114.01 km) |
| Marum to Ciudad Real | 1,091.30 mi (1,756.27 km) |
| Marum to Ciudad-Rodrigo | 1,053.96 mi (1,696.18 km) |
| Marum to Cocentaina | 1,045.02 mi (1,681.79 km) |
