| Cayey to Cocentaina | 4,148.44 mi (6,676.27 km) |
| Cayey to Coin | 3,910.79 mi (6,293.81 km) |
| Cayey to Colindres | 4,006.08 mi (6,447.16 km) |
| Cayey to Collado-Villalba | 3,963.10 mi (6,378.00 km) |
| Cayey to Colmenar Viejo | 3,975.90 mi (6,398.59 km) |
| Cayey to Colmenarejo | 3,962.34 mi (6,376.76 km) |
| Cayey to Conil de la Frontera | 3,835.88 mi (6,173.24 km) |
| Cayey to Consuegra | 3,979.94 mi (6,405.09 km) |
| Cayey to Corbera de Llobregat | 4,274.25 mi (6,878.74 km) |
| Cayey to Cordoba | 3,912.00 mi (6,295.76 km) |
| Cayey to Coria del Rio | 3,840.67 mi (6,180.95 km) |
| Cayey to Crevillente | 4,128.46 mi (6,644.12 km) |
| Cayey to Cuarte de Huerva | 4,127.12 mi (6,641.95 km) |
| Cayey to Cubellas | 4,260.84 mi (6,857.16 km) |
| Cayey to Cuellar | 3,950.89 mi (6,358.35 km) |
