| Apex to Cocentaina | 4,180.35 mi (6,727.63 km) |
| Apex to Coin | 4,021.94 mi (6,472.69 km) |
| Apex to Colindres | 3,914.92 mi (6,300.46 km) |
| Apex to Collado-Villalba | 3,955.10 mi (6,365.11 km) |
| Apex to Colmenar Viejo | 3,966.30 mi (6,383.14 km) |
| Apex to Colmenarejo | 3,956.49 mi (6,367.36 km) |
| Apex to Conil de la Frontera | 3,964.65 mi (6,380.49 km) |
| Apex to Consuegra | 4,004.78 mi (6,445.08 km) |
| Apex to Corbera de Llobregat | 4,220.47 mi (6,792.19 km) |
| Apex to Cordoba | 3,987.69 mi (6,417.56 km) |
| Apex to Coria del Rio | 3,939.28 mi (6,339.65 km) |
| Apex to Crevillente | 4,176.12 mi (6,720.81 km) |
| Apex to Cuarte de Huerva | 4,080.29 mi (6,566.59 km) |
| Apex to Cubellas | 4,213.97 mi (6,781.73 km) |
| Apex to Cuellar | 3,921.26 mi (6,310.65 km) |
