| Chicago to Collegno | 4,484.72 mi (7,217.46 km) |
| Chicago to Cologno al Serio | 4,548.63 mi (7,320.32 km) |
| Chicago to Cologno Monzese | 4,534.30 mi (7,297.25 km) |
| Chicago to Colorno | 4,601.98 mi (7,406.17 km) |
| Chicago to Comacchio | 4,682.12 mi (7,535.14 km) |
| Chicago to Comiso | 5,118.60 mi (8,237.59 km) |
| Chicago to Como | 4,515.42 mi (7,266.87 km) |
| Chicago to Concordia Sagittaria | 4,662.94 mi (7,504.27 km) |
| Chicago to Concorezzo | 4,534.10 mi (7,296.93 km) |
| Chicago to Conegliano | 4,636.76 mi (7,462.14 km) |
| Chicago to Conselice | 4,676.16 mi (7,525.55 km) |
| Chicago to Conselve | 4,647.46 mi (7,479.36 km) |
| Chicago to Conversano | 5,038.83 mi (8,109.22 km) |
| Chicago to Copertino | 5,107.54 mi (8,219.78 km) |
| Chicago to Copparo | 4,660.10 mi (7,499.70 km) |
