| Aylesbury to Carmona | 1,018.85 mi (1,639.68 km) |
| Aylesbury to Cartagena | 982.32 mi (1,580.89 km) |
| Aylesbury to Cartama | 1,060.26 mi (1,706.33 km) |
| Aylesbury to Cartaya | 1,050.54 mi (1,690.68 km) |
| Aylesbury to Caspe | 732.17 mi (1,178.32 km) |
| Aylesbury to Cassa de la Selva | 707.46 mi (1,138.54 km) |
| Aylesbury to Castalla | 913.45 mi (1,470.05 km) |
| Aylesbury to Castellbisbal | 726.48 mi (1,169.16 km) |
| Aylesbury to Castelldefels | 739.84 mi (1,190.66 km) |
| Aylesbury to Castello de Ampurias | 685.07 mi (1,102.52 km) |
| Aylesbury to Castellon de la Plana | 818.47 mi (1,317.21 km) |
| Aylesbury to Castilleja de la Cuesta | 1,029.33 mi (1,656.54 km) |
| Aylesbury to Catarroja | 857.95 mi (1,380.73 km) |
| Aylesbury to Catral | 943.63 mi (1,518.63 km) |
| Aylesbury to Caudete | 906.02 mi (1,458.10 km) |
