| Wittmund to Cartagena | 1,180.18 mi (1,899.31 km) |
| Wittmund to Cartama | 1,308.45 mi (2,105.74 km) |
| Wittmund to Cartaya | 1,332.37 mi (2,144.24 km) |
| Wittmund to Caspe | 926.40 mi (1,490.89 km) |
| Wittmund to Cassa de la Selva | 838.47 mi (1,349.39 km) |
| Wittmund to Castalla | 1,109.47 mi (1,785.52 km) |
| Wittmund to Castellbisbal | 877.87 mi (1,412.80 km) |
| Wittmund to Castelldefels | 891.03 mi (1,433.97 km) |
| Wittmund to Castello de Ampurias | 811.26 mi (1,305.60 km) |
| Wittmund to Castellon de la Plana | 1,007.81 mi (1,621.91 km) |
| Wittmund to Castilleja de la Cuesta | 1,298.89 mi (2,090.36 km) |
| Wittmund to Catarroja | 1,052.12 mi (1,693.22 km) |
| Wittmund to Catral | 1,140.44 mi (1,835.36 km) |
| Wittmund to Caudete | 1,107.93 mi (1,783.04 km) |
| Wittmund to Cehegin | 1,162.46 mi (1,870.81 km) |
