| West Chicago to Collegno | 4,503.66 mi (7,247.93 km) |
| West Chicago to Cologno al Serio | 4,567.05 mi (7,349.96 km) |
| West Chicago to Cologno Monzese | 4,552.81 mi (7,327.04 km) |
| West Chicago to Colorno | 4,620.50 mi (7,435.97 km) |
| West Chicago to Comacchio | 4,700.40 mi (7,564.57 km) |
| West Chicago to Comiso | 5,138.70 mi (8,269.94 km) |
| West Chicago to Como | 4,533.87 mi (7,296.56 km) |
| West Chicago to Concordia Sagittaria | 4,680.76 mi (7,532.96 km) |
| West Chicago to Concorezzo | 4,552.58 mi (7,326.67 km) |
| West Chicago to Conegliano | 4,654.64 mi (7,490.92 km) |
| West Chicago to Conselice | 4,694.56 mi (7,555.17 km) |
| West Chicago to Conselve | 4,665.63 mi (7,508.60 km) |
| West Chicago to Conversano | 5,057.34 mi (8,139.01 km) |
| West Chicago to Copertino | 5,126.07 mi (8,249.61 km) |
| West Chicago to Copparo | 4,678.38 mi (7,529.12 km) |
