| Cayey to Cassina de' Pecchi | 4,639.95 mi (7,467.27 km) |
| Cayey to Cassino | 4,888.40 mi (7,867.12 km) |
| Cayey to Castagneto Carducci | 4,711.84 mi (7,582.98 km) |
| Cayey to Castano Primo | 4,610.83 mi (7,420.41 km) |
| Cayey to Castel Bolognese | 4,764.61 mi (7,667.90 km) |
| Cayey to Castel Gandolfo | 4,825.74 mi (7,766.28 km) |
| Cayey to Castel Goffredo | 4,694.52 mi (7,555.10 km) |
| Cayey to Castel Maggiore | 4,741.82 mi (7,631.22 km) |
| Cayey to Castel Mella | 4,677.88 mi (7,528.32 km) |
| Cayey to Castel San Giorgio | 4,939.88 mi (7,949.97 km) |
| Cayey to Castel San Giovanni | 4,644.94 mi (7,475.31 km) |
| Cayey to Castel San Pietro Terme | 4,753.44 mi (7,649.92 km) |
| Cayey to Castel Volturno | 4,896.81 mi (7,880.66 km) |
| Cayey to Castelbuono | 4,937.59 mi (7,946.29 km) |
| Cayey to Casteldaccia | 4,905.87 mi (7,895.24 km) |
