| Mechernich to Cartagena | 973.51 mi (1,566.72 km) |
| Mechernich to Cartama | 1,110.19 mi (1,786.68 km) |
| Mechernich to Cartaya | 1,144.02 mi (1,841.12 km) |
| Mechernich to Caspe | 721.81 mi (1,161.65 km) |
| Mechernich to Cassa de la Selva | 628.09 mi (1,010.82 km) |
| Mechernich to Castalla | 903.10 mi (1,453.40 km) |
| Mechernich to Castellbisbal | 668.59 mi (1,075.99 km) |
| Mechernich to Castelldefels | 681.62 mi (1,096.96 km) |
| Mechernich to Castello de Ampurias | 600.80 mi (966.89 km) |
| Mechernich to Castellon de la Plana | 801.46 mi (1,289.83 km) |
| Mechernich to Castilleja de la Cuesta | 1,106.76 mi (1,781.17 km) |
| Mechernich to Catarroja | 846.01 mi (1,361.51 km) |
| Mechernich to Catral | 933.93 mi (1,503.01 km) |
| Mechernich to Caudete | 902.43 mi (1,452.32 km) |
| Mechernich to Cehegin | 958.26 mi (1,542.16 km) |
