| Colonia to Castrovillari | 4,539.89 mi (7,306.24 km) |
| Colonia to Catania | 4,579.10 mi (7,369.34 km) |
| Colonia to Catanzaro | 4,592.91 mi (7,391.57 km) |
| Colonia to Cattolica | 4,237.01 mi (6,818.81 km) |
| Colonia to Cava de' Tirreni | 4,440.31 mi (7,145.98 km) |
| Colonia to Cavallino | 4,608.33 mi (7,416.39 km) |
| Colonia to Cavarzere | 4,169.04 mi (6,709.42 km) |
| Colonia to Cave | 4,321.63 mi (6,954.99 km) |
| Colonia to Cavriago | 4,117.43 mi (6,626.36 km) |
| Colonia to Cavriglia | 4,198.51 mi (6,756.84 km) |
| Colonia to Cazzago San Martino | 4,066.72 mi (6,544.75 km) |
| Colonia to Ceccano | 4,348.25 mi (6,997.83 km) |
| Colonia to Cecina | 4,163.15 mi (6,699.95 km) |
| Colonia to Cefalu | 4,509.87 mi (7,257.93 km) |
| Colonia to Ceglie Messapico | 4,564.96 mi (7,346.59 km) |
