| Chicago Heights to Coudekerque-Branche | 4,076.58 mi (6,560.61 km) |
| Chicago Heights to Coueron | 4,041.18 mi (6,503.65 km) |
| Chicago Heights to Coulommiers | 4,179.33 mi (6,725.98 km) |
| Chicago Heights to Courbevoic | 4,143.89 mi (6,668.95 km) |
| Chicago Heights to Courcouronnes | 4,160.36 mi (6,695.45 km) |
| Chicago Heights to Cournon-d'Auvergne | 4,294.50 mi (6,911.32 km) |
| Chicago Heights to Courrieres | 4,116.99 mi (6,625.65 km) |
| Chicago Heights to Coutras | 4,182.08 mi (6,730.41 km) |
| Chicago Heights to Couzeix | 4,209.30 mi (6,774.22 km) |
| Chicago Heights to Cran-Gevrier | 4,406.01 mi (7,090.79 km) |
| Chicago Heights to Craponne | 4,356.42 mi (7,010.98 km) |
| Chicago Heights to Creil | 4,140.41 mi (6,663.35 km) |
| Chicago Heights to Crepy-en-Valois | 4,157.00 mi (6,690.04 km) |
| Chicago Heights to Crest | 4,407.08 mi (7,092.51 km) |
| Chicago Heights to Creteil | 4,155.84 mi (6,688.18 km) |
