| Horizon West to Cocentaina | 4,575.05 mi (7,362.83 km) |
| Horizon West to Coin | 4,394.10 mi (7,071.61 km) |
| Horizon West to Colindres | 4,333.98 mi (6,974.87 km) |
| Horizon West to Collado-Villalba | 4,355.63 mi (7,009.71 km) |
| Horizon West to Colmenar Viejo | 4,367.40 mi (7,028.65 km) |
| Horizon West to Colmenarejo | 4,356.54 mi (7,011.17 km) |
| Horizon West to Conil de la Frontera | 4,331.19 mi (6,970.38 km) |
| Horizon West to Consuegra | 4,398.27 mi (7,078.32 km) |
| Horizon West to Corbera de Llobregat | 4,635.90 mi (7,460.76 km) |
| Horizon West to Cordoba | 4,368.28 mi (7,030.07 km) |
| Horizon West to Coria del Rio | 4,313.16 mi (6,941.36 km) |
| Horizon West to Crevillente | 4,566.90 mi (7,349.71 km) |
| Horizon West to Cuarte de Huerva | 4,491.96 mi (7,229.11 km) |
| Horizon West to Cubellas | 4,627.73 mi (7,447.61 km) |
| Horizon West to Cuellar | 4,326.33 mi (6,962.55 km) |
