| Cayce to Cocentaina | 4,347.81 mi (6,997.12 km) |
| Cayce to Coin | 4,186.00 mi (6,736.72 km) |
| Cayce to Colindres | 4,085.24 mi (6,574.56 km) |
| Cayce to Collado-Villalba | 4,123.20 mi (6,635.64 km) |
| Cayce to Colmenar Viejo | 4,134.48 mi (6,653.80 km) |
| Cayce to Colmenarejo | 4,124.53 mi (6,637.79 km) |
| Cayce to Conil de la Frontera | 4,127.78 mi (6,643.02 km) |
| Cayce to Consuegra | 4,171.97 mi (6,714.13 km) |
| Cayce to Corbera de Llobregat | 4,390.52 mi (7,065.85 km) |
| Cayce to Cordoba | 4,153.01 mi (6,683.63 km) |
| Cayce to Coria del Rio | 4,103.54 mi (6,604.02 km) |
| Cayce to Crevillente | 4,343.03 mi (6,989.43 km) |
| Cayce to Cuarte de Huerva | 4,249.84 mi (6,839.46 km) |
| Cayce to Cubellas | 4,383.82 mi (7,055.08 km) |
| Cayce to Cuellar | 4,089.92 mi (6,582.09 km) |
