| Chicago Heights to Ukiah (California) | 1,867.77 mi (3,005.88 km) |
| Chicago Heights to Union (Missouri) | 276.74 mi (445.37 km) |
| Chicago Heights to Union City (California) | 1,839.10 mi (2,959.74 km) |
| Chicago Heights to Union City (Georgia) | 572.11 mi (920.73 km) |
| Chicago Heights to Union City (New Jersey) | 708.92 mi (1,140.89 km) |
| Chicago Heights to Union City (Tennessee) | 359.31 mi (578.26 km) |
| Chicago Heights to Union Hill-Novelty Hill (Washington) | 1,729.61 mi (2,783.53 km) |
| Chicago Heights to Union Park (Florida) | 964.11 mi (1,551.58 km) |
| Chicago Heights to Uniondale (New York) | 732.08 mi (1,178.17 km) |
| Chicago Heights to Universal City (Texas) | 1,019.36 mi (1,640.50 km) |
| Chicago Heights to University (Florida) | 973.40 mi (1,566.53 km) |
| Chicago Heights to University City (Missouri) | 242.76 mi (390.68 km) |
| Chicago Heights to University Heights (Ohio) | 315.56 mi (507.85 km) |
| Chicago Heights to University of California-Santa Barbara (California) | 1,810.79 mi (2,914.18 km) |
| Chicago Heights to University Park (Texas) | 781.46 mi (1,257.63 km) |
