| Opwijk to Cartagena | 957.63 mi (1,541.15 km) |
| Opwijk to Cartama | 1,076.62 mi (1,732.65 km) |
| Opwijk to Cartaya | 1,097.06 mi (1,765.54 km) |
| Opwijk to Caspe | 701.90 mi (1,129.59 km) |
| Opwijk to Cassa de la Selva | 630.25 mi (1,014.29 km) |
| Opwijk to Castalla | 886.72 mi (1,427.03 km) |
| Opwijk to Castellbisbal | 664.00 mi (1,068.61 km) |
| Opwijk to Castelldefels | 677.49 mi (1,090.32 km) |
| Opwijk to Castello de Ampurias | 603.98 mi (972.01 km) |
| Opwijk to Castellon de la Plana | 785.57 mi (1,264.25 km) |
| Opwijk to Castilleja de la Cuesta | 1,064.43 mi (1,713.04 km) |
| Opwijk to Catarroja | 829.21 mi (1,334.49 km) |
| Opwijk to Catral | 917.79 mi (1,477.04 km) |
| Opwijk to Caudete | 883.76 mi (1,422.27 km) |
| Opwijk to Cehegin | 936.27 mi (1,506.78 km) |
