| Horizon West to Carmona | 4,331.60 mi (6,971.04 km) |
| Horizon West to Cartagena | 4,572.09 mi (7,358.07 km) |
| Horizon West to Cartama | 4,399.51 mi (7,080.33 km) |
| Horizon West to Cartaya | 4,254.99 mi (6,847.75 km) |
| Horizon West to Caspe | 4,542.83 mi (7,310.98 km) |
| Horizon West to Cassa de la Selva | 4,671.59 mi (7,518.19 km) |
| Horizon West to Castalla | 4,566.46 mi (7,349.01 km) |
| Horizon West to Castellbisbal | 4,637.08 mi (7,462.67 km) |
| Horizon West to Castelldefels | 4,641.13 mi (7,469.17 km) |
| Horizon West to Castello de Ampurias | 4,673.11 mi (7,520.64 km) |
| Horizon West to Castellon de la Plana | 4,569.12 mi (7,353.28 km) |
| Horizon West to Castilleja de la Cuesta | 4,311.25 mi (6,938.28 km) |
| Horizon West to Catarroja | 4,562.73 mi (7,343.01 km) |
| Horizon West to Catral | 4,569.04 mi (7,353.16 km) |
| Horizon West to Caudete | 4,547.88 mi (7,319.10 km) |
