| Canton to Cocentaina | 4,135.97 mi (6,656.21 km) |
| Canton to Coin | 4,003.40 mi (6,442.86 km) |
| Canton to Colindres | 3,845.72 mi (6,189.09 km) |
| Canton to Collado-Villalba | 3,906.86 mi (6,287.48 km) |
| Canton to Colmenar Viejo | 3,917.28 mi (6,304.26 km) |
| Canton to Colmenarejo | 3,908.79 mi (6,290.59 km) |
| Canton to Conil de la Frontera | 3,952.59 mi (6,361.08 km) |
| Canton to Consuegra | 3,963.77 mi (6,379.08 km) |
| Canton to Corbera de Llobregat | 4,152.17 mi (6,682.27 km) |
| Canton to Cordoba | 3,960.76 mi (6,374.23 km) |
| Canton to Coria del Rio | 3,919.98 mi (6,308.60 km) |
| Canton to Crevillente | 4,136.05 mi (6,656.33 km) |
| Canton to Cuarte de Huerva | 4,017.90 mi (6,466.18 km) |
| Canton to Cubellas | 4,147.68 mi (6,675.05 km) |
| Canton to Cuellar | 3,868.30 mi (6,225.43 km) |
