| Ada to Coin | 1,430.63 mi (2,302.38 km) |
| Ada to Colindres | 1,167.63 mi (1,879.11 km) |
| Ada to Collado-Villalba | 1,261.41 mi (2,030.05 km) |
| Ada to Colmenar Viejo | 1,249.11 mi (2,010.25 km) |
| Ada to Colmenarejo | 1,263.91 mi (2,034.06 km) |
| Ada to Conil de la Frontera | 1,507.51 mi (2,426.10 km) |
| Ada to Consuegra | 1,277.98 mi (2,056.71 km) |
| Ada to Corbera de Llobregat | 957.13 mi (1,540.35 km) |
| Ada to Cordoba | 1,386.72 mi (2,231.72 km) |
| Ada to Coria del Rio | 1,467.74 mi (2,362.09 km) |
| Ada to Crevillente | 1,189.99 mi (1,915.10 km) |
| Ada to Cuarte de Huerva | 1,087.66 mi (1,750.42 km) |
| Ada to Cubellas | 975.28 mi (1,569.56 km) |
| Ada to Cuellar | 1,254.99 mi (2,019.72 km) |
| Ada to Cuenca | 1,190.08 mi (1,915.25 km) |
