| Colonia to Castelletto sopra Ticino | 4,002.80 mi (6,441.88 km) |
| Colonia to Castelli Calepio | 4,059.68 mi (6,533.42 km) |
| Colonia to Castelnovo ne' Monti | 4,120.54 mi (6,631.37 km) |
| Colonia to Castelnuovo Berardenga | 4,205.24 mi (6,767.69 km) |
| Colonia to Castelnuovo di Porto | 4,291.27 mi (6,906.14 km) |
| Colonia to Castelnuovo di Verona | 4,103.18 mi (6,603.42 km) |
| Colonia to Castelnuovo Rangone | 4,139.66 mi (6,662.14 km) |
| Colonia to Castelvetrano | 4,467.19 mi (7,189.24 km) |
| Colonia to Castelvetro di Modena | 4,142.05 mi (6,665.99 km) |
| Colonia to Castenaso | 4,164.13 mi (6,701.52 km) |
| Colonia to Castenedolo | 4,081.91 mi (6,569.20 km) |
| Colonia to Castiglion Fiorentino | 4,223.41 mi (6,796.91 km) |
| Colonia to Castiglione del Lago | 4,236.14 mi (6,817.41 km) |
| Colonia to Castiglione delle Stiviere | 4,092.89 mi (6,586.88 km) |
| Colonia to Castrolibero | 4,559.04 mi (7,337.07 km) |
