| Runkel to Cartagena | 992.74 mi (1,597.65 km) |
| Runkel to Cartama | 1,138.84 mi (1,832.79 km) |
| Runkel to Cartaya | 1,180.00 mi (1,899.03 km) |
| Runkel to Caspe | 745.35 mi (1,199.52 km) |
| Runkel to Cassa de la Selva | 639.99 mi (1,029.97 km) |
| Runkel to Castalla | 923.07 mi (1,485.53 km) |
| Runkel to Castellbisbal | 683.92 mi (1,100.66 km) |
| Runkel to Castelldefels | 696.51 mi (1,120.93 km) |
| Runkel to Castello de Ampurias | 612.51 mi (985.74 km) |
| Runkel to Castellon de la Plana | 821.94 mi (1,322.79 km) |
| Runkel to Castilleja de la Cuesta | 1,140.33 mi (1,835.19 km) |
| Runkel to Catarroja | 866.63 mi (1,394.71 km) |
| Runkel to Catral | 953.54 mi (1,534.58 km) |
| Runkel to Caudete | 923.72 mi (1,486.59 km) |
| Runkel to Cehegin | 981.09 mi (1,578.92 km) |
