| Catalina Foothills to Cocentaina | 5,805.07 mi (9,342.36 km) |
| Catalina Foothills to Coin | 5,699.35 mi (9,172.22 km) |
| Catalina Foothills to Colindres | 5,489.22 mi (8,834.05 km) |
| Catalina Foothills to Collado-Villalba | 5,574.96 mi (8,972.04 km) |
| Catalina Foothills to Colmenar Viejo | 5,584.36 mi (8,987.16 km) |
| Catalina Foothills to Colmenarejo | 5,577.46 mi (8,976.06 km) |
| Catalina Foothills to Conil de la Frontera | 5,654.16 mi (9,099.49 km) |
| Catalina Foothills to Consuegra | 5,638.93 mi (9,074.99 km) |
| Catalina Foothills to Corbera de Llobregat | 5,790.98 mi (9,319.68 km) |
| Catalina Foothills to Cordoba | 5,649.82 mi (9,092.51 km) |
| Catalina Foothills to Coria del Rio | 5,616.09 mi (9,038.23 km) |
| Catalina Foothills to Crevillente | 5,809.90 mi (9,350.13 km) |
| Catalina Foothills to Cuarte de Huerva | 5,667.10 mi (9,120.32 km) |
| Catalina Foothills to Cubellas | 5,789.35 mi (9,317.06 km) |
| Catalina Foothills to Cuellar | 5,531.62 mi (8,902.28 km) |
