| Chicago Heights to Clarkston (Georgia) | 563.24 mi (906.44 km) |
| Chicago Heights to Clarksville (Indiana) | 241.46 mi (388.59 km) |
| Chicago Heights to Clarksville (Tennessee) | 341.74 mi (549.97 km) |
| Chicago Heights to Clawson (Michigan) | 240.81 mi (387.54 km) |
| Chicago Heights to Clay (Alabama) | 542.85 mi (873.64 km) |
| Chicago Heights to Clayton (California) | 1,826.98 mi (2,940.24 km) |
| Chicago Heights to Clayton (Missouri) | 243.93 mi (392.56 km) |
| Chicago Heights to Clayton (North Carolina) | 639.28 mi (1,028.82 km) |
| Chicago Heights to Clayton (Ohio) | 206.96 mi (333.07 km) |
| Chicago Heights to Clearfield (Utah) | 1,261.96 mi (2,030.93 km) |
| Chicago Heights to Clearlake (California) | 1,841.80 mi (2,964.09 km) |
| Chicago Heights to Clearwater (Florida) | 974.51 mi (1,568.32 km) |
| Chicago Heights to Cleburne (Texas) | 830.55 mi (1,336.64 km) |
| Chicago Heights to Clemmons (North Carolina) | 543.42 mi (874.55 km) |
| Chicago Heights to Clemson (South Carolina) | 539.40 mi (868.09 km) |
