| Cayey to Collegno | 4,554.14 mi (7,329.17 km) |
| Cayey to Cologno al Serio | 4,655.80 mi (7,492.79 km) |
| Cayey to Cologno Monzese | 4,635.63 mi (7,460.33 km) |
| Cayey to Colorno | 4,691.78 mi (7,550.69 km) |
| Cayey to Comacchio | 4,781.01 mi (7,694.29 km) |
| Cayey to Comiso | 4,975.52 mi (8,007.32 km) |
| Cayey to Como | 4,625.41 mi (7,443.87 km) |
| Cayey to Concordia Sagittaria | 4,806.50 mi (7,735.31 km) |
| Cayey to Concorezzo | 4,638.20 mi (7,464.46 km) |
| Cayey to Conegliano | 4,779.26 mi (7,691.47 km) |
| Cayey to Conselice | 4,765.01 mi (7,668.54 km) |
| Cayey to Conselve | 4,762.34 mi (7,664.24 km) |
| Cayey to Conversano | 5,062.59 mi (8,147.45 km) |
| Cayey to Copertino | 5,119.27 mi (8,238.68 km) |
| Cayey to Copparo | 4,762.69 mi (7,664.80 km) |
