| Cayey to Cividale del Friuli | 4,832.20 mi (7,776.68 km) |
| Cayey to Civita Castellana | 4,809.11 mi (7,739.51 km) |
| Cayey to Civitanova Marche | 4,867.82 mi (7,833.99 km) |
| Cayey to Civitavecchia | 4,779.52 mi (7,691.89 km) |
| Cayey to Civitella in Val di Chiana | 4,766.23 mi (7,670.51 km) |
| Cayey to Clusone | 4,666.67 mi (7,510.27 km) |
| Cayey to Coccaglio | 4,669.32 mi (7,514.54 km) |
| Cayey to Codigoro | 4,776.92 mi (7,687.71 km) |
| Cayey to Codogno | 4,657.73 mi (7,495.89 km) |
| Cayey to Codroipo | 4,811.43 mi (7,743.24 km) |
| Cayey to Cogoleto | 4,608.84 mi (7,417.21 km) |
| Cayey to Colle di Val d'Elsa | 4,737.18 mi (7,623.75 km) |
| Cayey to Colle Salvetti | 4,703.55 mi (7,569.64 km) |
| Cayey to Collecchio | 4,684.50 mi (7,538.98 km) |
| Cayey to Colleferro | 4,844.53 mi (7,796.51 km) |
