| Unterwellenborn to Cervello | 783.81 mi (1,261.43 km) |
| Unterwellenborn to Cervera | 787.77 mi (1,267.80 km) |
| Unterwellenborn to Ceuti | 1,069.05 mi (1,720.47 km) |
| Unterwellenborn to Cheste | 970.36 mi (1,561.65 km) |
| Unterwellenborn to Chiclana de la Frontera | 1,314.12 mi (2,114.87 km) |
| Unterwellenborn to Chipiona | 1,305.87 mi (2,101.59 km) |
| Unterwellenborn to Chiva | 971.88 mi (1,564.08 km) |
| Unterwellenborn to Churriana de la Vega | 1,193.36 mi (1,920.53 km) |
| Unterwellenborn to Ciempozuelos | 1,025.79 mi (1,650.85 km) |
| Unterwellenborn to Cieza | 1,063.84 mi (1,712.09 km) |
| Unterwellenborn to Cisterniga | 989.45 mi (1,592.36 km) |
| Unterwellenborn to Ciudad de Melilla | 1,282.61 mi (2,064.16 km) |
| Unterwellenborn to Ciudad Real | 1,099.01 mi (1,768.69 km) |
| Unterwellenborn to Ciudad-Rodrigo | 1,107.67 mi (1,782.62 km) |
| Unterwellenborn to Cocentaina | 1,006.31 mi (1,619.50 km) |
