| Niederkassel to Cervello | 694.38 mi (1,117.50 km) |
| Niederkassel to Cervera | 689.11 mi (1,109.01 km) |
| Niederkassel to Ceuti | 969.31 mi (1,559.95 km) |
| Niederkassel to Cheste | 867.78 mi (1,396.56 km) |
| Niederkassel to Chiclana de la Frontera | 1,189.67 mi (1,914.59 km) |
| Niederkassel to Chipiona | 1,178.42 mi (1,896.49 km) |
| Niederkassel to Chiva | 869.04 mi (1,398.59 km) |
| Niederkassel to Churriana de la Vega | 1,080.86 mi (1,739.48 km) |
| Niederkassel to Ciempozuelos | 897.15 mi (1,443.83 km) |
| Niederkassel to Cieza | 962.11 mi (1,548.36 km) |
| Niederkassel to Cisterniga | 845.21 mi (1,360.23 km) |
| Niederkassel to Ciudad de Melilla | 1,183.21 mi (1,904.20 km) |
| Niederkassel to Ciudad Real | 975.28 mi (1,569.56 km) |
| Niederkassel to Ciudad-Rodrigo | 960.06 mi (1,545.06 km) |
| Niederkassel to Cocentaina | 909.93 mi (1,464.38 km) |
