| Chicago Heights to Carmona | 4,209.94 mi (6,775.25 km) |
| Chicago Heights to Cartagena | 4,419.13 mi (7,111.90 km) |
| Chicago Heights to Cartama | 4,284.55 mi (6,895.31 km) |
| Chicago Heights to Cartaya | 4,145.77 mi (6,671.97 km) |
| Chicago Heights to Caspe | 4,324.32 mi (6,959.31 km) |
| Chicago Heights to Cassa de la Selva | 4,425.52 mi (7,122.19 km) |
| Chicago Heights to Castalla | 4,395.16 mi (7,073.33 km) |
| Chicago Heights to Castellbisbal | 4,402.87 mi (7,085.73 km) |
| Chicago Heights to Castelldefels | 4,410.11 mi (7,097.39 km) |
| Chicago Heights to Castello de Ampurias | 4,419.99 mi (7,113.28 km) |
| Chicago Heights to Castellon de la Plana | 4,371.16 mi (7,034.70 km) |
| Chicago Heights to Castilleja de la Cuesta | 4,193.58 mi (6,748.91 km) |
| Chicago Heights to Catarroja | 4,376.55 mi (7,043.37 km) |
| Chicago Heights to Catral | 4,405.76 mi (7,090.39 km) |
| Chicago Heights to Caudete | 4,376.77 mi (7,043.73 km) |
