| Alliance to Corato | 4,775.48 mi (7,685.39 km) |
| Alliance to Corbetta | 4,297.10 mi (6,915.52 km) |
| Alliance to Corciano | 4,524.22 mi (7,281.03 km) |
| Alliance to Cordenons | 4,432.52 mi (7,133.45 km) |
| Alliance to Cori | 4,608.86 mi (7,417.24 km) |
| Alliance to Coriano | 4,505.26 mi (7,250.52 km) |
| Alliance to Corigliano Calabro | 4,844.76 mi (7,796.89 km) |
| Alliance to Corleone | 4,779.45 mi (7,691.78 km) |
| Alliance to Cormano | 4,304.44 mi (6,927.33 km) |
| Alliance to Cornaredo | 4,300.73 mi (6,921.36 km) |
| Alliance to Cornate d'Adda | 4,313.21 mi (6,941.44 km) |
| Alliance to Cornedo Vicentino | 4,391.58 mi (7,067.56 km) |
| Alliance to Correggio | 4,399.74 mi (7,080.69 km) |
| Alliance to Corridonia | 4,571.03 mi (7,356.35 km) |
| Alliance to Corsico | 4,306.58 mi (6,930.77 km) |
