| Greenford to Carmona | 1,005.29 mi (1,617.87 km) |
| Greenford to Cartagena | 962.96 mi (1,549.73 km) |
| Greenford to Cartama | 1,045.19 mi (1,682.07 km) |
| Greenford to Cartaya | 1,038.90 mi (1,671.94 km) |
| Greenford to Caspe | 711.58 mi (1,145.18 km) |
| Greenford to Cassa de la Selva | 683.20 mi (1,099.50 km) |
| Greenford to Castalla | 893.73 mi (1,438.32 km) |
| Greenford to Castellbisbal | 703.30 mi (1,131.85 km) |
| Greenford to Castelldefels | 716.71 mi (1,153.44 km) |
| Greenford to Castello de Ampurias | 660.50 mi (1,062.97 km) |
| Greenford to Castellon de la Plana | 797.95 mi (1,284.18 km) |
| Greenford to Castilleja de la Cuesta | 1,016.29 mi (1,635.55 km) |
| Greenford to Catarroja | 837.91 mi (1,348.48 km) |
| Greenford to Catral | 924.08 mi (1,487.16 km) |
| Greenford to Caudete | 886.69 mi (1,427.00 km) |
