| Diekirch to Cervello | 619.23 mi (996.56 km) |
| Diekirch to Cervera | 613.37 mi (987.12 km) |
| Diekirch to Ceuti | 893.32 mi (1,437.67 km) |
| Diekirch to Cheste | 791.76 mi (1,274.22 km) |
| Diekirch to Chiclana de la Frontera | 1,114.26 mi (1,793.24 km) |
| Diekirch to Chipiona | 1,103.26 mi (1,775.52 km) |
| Diekirch to Chiva | 793.02 mi (1,276.24 km) |
| Diekirch to Churriana de la Vega | 1,004.84 mi (1,617.14 km) |
| Diekirch to Ciempozuelos | 821.89 mi (1,322.70 km) |
| Diekirch to Cieza | 886.08 mi (1,426.00 km) |
| Diekirch to Cisterniga | 771.92 mi (1,242.28 km) |
| Diekirch to Ciudad de Melilla | 1,107.18 mi (1,781.83 km) |
| Diekirch to Ciudad Real | 899.70 mi (1,447.93 km) |
| Diekirch to Ciudad-Rodrigo | 887.58 mi (1,428.42 km) |
| Diekirch to Cocentaina | 834.08 mi (1,342.33 km) |
