| Chicago Heights to Chojnice | 4,511.17 mi (7,260.02 km) |
| Chicago Heights to Chojnow | 4,558.71 mi (7,336.53 km) |
| Chicago Heights to Chorzow | 4,703.54 mi (7,569.62 km) |
| Chicago Heights to Choszczno | 4,462.80 mi (7,182.18 km) |
| Chicago Heights to Chrzanow | 4,726.22 mi (7,606.12 km) |
| Chicago Heights to Ciechanow | 4,646.71 mi (7,478.16 km) |
| Chicago Heights to Ciechocinek | 4,586.00 mi (7,380.46 km) |
| Chicago Heights to Cieszyn | 4,716.74 mi (7,590.85 km) |
| Chicago Heights to Czarna Bialostocka | 4,711.18 mi (7,581.91 km) |
| Chicago Heights to Czarnkow | 4,512.16 mi (7,261.62 km) |
| Chicago Heights to Czechowice-Dziedzice | 4,722.44 mi (7,600.03 km) |
| Chicago Heights to Czeladz | 4,706.63 mi (7,574.59 km) |
| Chicago Heights to Czersk Pomorski | 4,521.03 mi (7,275.89 km) |
| Chicago Heights to Czestochowa | 4,687.33 mi (7,543.52 km) |
| Chicago Heights to Czluchow | 4,506.59 mi (7,252.65 km) |
