| Diekirch to Cartagena | 918.48 mi (1,478.15 km) |
| Diekirch to Cartama | 1,056.18 mi (1,699.76 km) |
| Diekirch to Cartaya | 1,091.85 mi (1,757.16 km) |
| Diekirch to Caspe | 667.00 mi (1,073.44 km) |
| Diekirch to Cassa de la Selva | 573.30 mi (922.63 km) |
| Diekirch to Castalla | 848.09 mi (1,364.87 km) |
| Diekirch to Castellbisbal | 613.57 mi (987.44 km) |
| Diekirch to Castelldefels | 626.61 mi (1,008.44 km) |
| Diekirch to Castello de Ampurias | 546.03 mi (878.75 km) |
| Diekirch to Castellon de la Plana | 746.46 mi (1,201.32 km) |
| Diekirch to Castilleja de la Cuesta | 1,053.87 mi (1,696.04 km) |
| Diekirch to Catarroja | 791.02 mi (1,273.03 km) |
| Diekirch to Catral | 878.91 mi (1,414.46 km) |
| Diekirch to Caudete | 847.49 mi (1,363.90 km) |
| Diekirch to Cehegin | 903.44 mi (1,453.95 km) |
