| Humlebaek to Cartagena | 1,414.70 mi (2,276.73 km) |
| Humlebaek to Cartama | 1,552.05 mi (2,497.79 km) |
| Humlebaek to Cartaya | 1,580.74 mi (2,543.95 km) |
| Humlebaek to Caspe | 1,164.13 mi (1,873.49 km) |
| Humlebaek to Cassa de la Selva | 1,064.05 mi (1,712.42 km) |
| Humlebaek to Castalla | 1,344.55 mi (2,163.85 km) |
| Humlebaek to Castellbisbal | 1,107.30 mi (1,782.02 km) |
| Humlebaek to Castelldefels | 1,120.03 mi (1,802.52 km) |
| Humlebaek to Castello de Ampurias | 1,036.57 mi (1,668.20 km) |
| Humlebaek to Castellon de la Plana | 1,243.04 mi (2,000.48 km) |
| Humlebaek to Castilleja de la Cuesta | 1,545.86 mi (2,487.82 km) |
| Humlebaek to Catarroja | 1,287.67 mi (2,072.30 km) |
| Humlebaek to Catral | 1,375.26 mi (2,213.26 km) |
| Humlebaek to Caudete | 1,344.34 mi (2,163.51 km) |
| Humlebaek to Cehegin | 1,400.55 mi (2,253.97 km) |
