| Cayey to Carmona | 3,864.11 mi (6,218.69 km) |
| Cayey to Cartagena | 4,119.08 mi (6,629.01 km) |
| Cayey to Cartama | 3,917.48 mi (6,304.58 km) |
| Cayey to Cartaya | 3,780.28 mi (6,083.78 km) |
| Cayey to Caspe | 4,172.16 mi (6,714.44 km) |
| Cayey to Cassa de la Selva | 4,322.86 mi (6,956.98 km) |
| Cayey to Castalla | 4,135.99 mi (6,656.24 km) |
| Cayey to Castellbisbal | 4,276.88 mi (6,882.98 km) |
| Cayey to Castelldefels | 4,276.59 mi (6,882.51 km) |
| Cayey to Castello de Ampurias | 4,333.03 mi (6,973.34 km) |
| Cayey to Castellon de la Plana | 4,170.75 mi (6,712.17 km) |
| Cayey to Castilleja de la Cuesta | 3,841.00 mi (6,181.49 km) |
| Cayey to Catarroja | 4,150.63 mi (6,679.80 km) |
| Cayey to Catral | 4,128.67 mi (6,644.45 km) |
| Cayey to Caudete | 4,118.92 mi (6,628.75 km) |
