| Colonia to Busto Arsizio | 4,015.49 mi (6,462.31 km) |
| Colonia to Busto Garolfo | 4,019.03 mi (6,468.01 km) |
| Colonia to Cabras | 4,190.44 mi (6,743.86 km) |
| Colonia to Cadelbosco di Sopra | 4,118.08 mi (6,627.42 km) |
| Colonia to Cadoneghe | 4,152.20 mi (6,682.32 km) |
| Colonia to Cagli | 4,247.93 mi (6,836.38 km) |
| Colonia to Cagliari | 4,241.68 mi (6,826.32 km) |
| Colonia to Cairo Montenotte | 4,028.92 mi (6,483.92 km) |
| Colonia to Caivano | 4,413.39 mi (7,102.67 km) |
| Colonia to Calcinaia | 4,155.11 mi (6,687.00 km) |
| Colonia to Calcinato | 4,087.34 mi (6,577.95 km) |
| Colonia to Calderara di Reno | 4,153.44 mi (6,684.32 km) |
| Colonia to Caldogno | 4,128.59 mi (6,644.32 km) |
| Colonia to Calenzano | 4,172.80 mi (6,715.48 km) |
| Colonia to Calolziocorte | 4,034.39 mi (6,492.72 km) |
