| Alenquer to Cartagena | 446.73 mi (718.94 km) |
| Alenquer to Cartama | 288.60 mi (464.46 km) |
| Alenquer to Cartaya | 158.68 mi (255.38 km) |
| Alenquer to Caspe | 497.61 mi (800.83 km) |
| Alenquer to Cassa de la Selva | 654.44 mi (1,053.21 km) |
| Alenquer to Castalla | 450.19 mi (724.50 km) |
| Alenquer to Castellbisbal | 603.17 mi (970.70 km) |
| Alenquer to Castelldefels | 600.09 mi (965.75 km) |
| Alenquer to Castello de Ampurias | 670.73 mi (1,079.43 km) |
| Alenquer to Castellon de la Plana | 482.95 mi (777.23 km) |
| Alenquer to Castilleja de la Cuesta | 197.96 mi (318.59 km) |
| Alenquer to Catarroja | 461.43 mi (742.60 km) |
| Alenquer to Catral | 447.48 mi (720.14 km) |
| Alenquer to Caudete | 432.37 mi (695.83 km) |
| Alenquer to Cehegin | 395.36 mi (636.27 km) |
