| Altena to Cervello | 735.89 mi (1,184.29 km) |
| Altena to Cervera | 731.23 mi (1,176.80 km) |
| Altena to Ceuti | 1,011.77 mi (1,628.29 km) |
| Altena to Cheste | 910.32 mi (1,465.01 km) |
| Altena to Chiclana de la Frontera | 1,232.93 mi (1,984.20 km) |
| Altena to Chipiona | 1,221.68 mi (1,966.11 km) |
| Altena to Chiva | 911.59 mi (1,467.07 km) |
| Altena to Churriana de la Vega | 1,123.90 mi (1,808.74 km) |
| Altena to Ciempozuelos | 940.42 mi (1,513.45 km) |
| Altena to Cieza | 1,004.67 mi (1,616.86 km) |
| Altena to Cisterniga | 888.20 mi (1,429.42 km) |
| Altena to Ciudad de Melilla | 1,225.77 mi (1,972.69 km) |
| Altena to Ciudad Real | 1,018.52 mi (1,639.15 km) |
| Altena to Ciudad-Rodrigo | 1,002.84 mi (1,613.92 km) |
| Altena to Cocentaina | 952.16 mi (1,532.36 km) |
