| Chicago Heights to Cadillac (Michigan) | 220.06 mi (354.15 km) |
| Chicago Heights to Caguas (Puerto Rico) | 2,051.76 mi (3,301.98 km) |
| Chicago Heights to Cahokia (Illinois) | 243.95 mi (392.60 km) |
| Chicago Heights to Calabasas (California) | 1,757.95 mi (2,829.15 km) |
| Chicago Heights to Caldwell (Idaho) | 1,476.49 mi (2,376.17 km) |
| Chicago Heights to Caledonia (Wisconsin) | 89.89 mi (144.66 km) |
| Chicago Heights to Calera (Alabama) | 581.37 mi (935.62 km) |
| Chicago Heights to Calexico (California) | 1,642.95 mi (2,644.08 km) |
| Chicago Heights to Calhoun (Georgia) | 506.61 mi (815.32 km) |
| Chicago Heights to California (Maryland) | 630.21 mi (1,014.22 km) |
| Chicago Heights to California City (California) | 1,687.03 mi (2,715.01 km) |
| Chicago Heights to Callaway (Florida) | 794.44 mi (1,278.53 km) |
| Chicago Heights to Calumet City (Illinois) | 8.36 mi (13.46 km) |
| Chicago Heights to Calverton (Maryland) | 587.70 mi (945.80 km) |
| Chicago Heights to Camano (Washington) | 1,751.18 mi (2,818.26 km) |
