| Chicago to Ukiah (California) | 1,862.50 mi (2,997.41 km) |
| Chicago to Union (Missouri) | 292.53 mi (470.78 km) |
| Chicago to Union City (California) | 1,835.35 mi (2,953.72 km) |
| Chicago to Union City (Georgia) | 594.48 mi (956.72 km) |
| Chicago to Union City (New Jersey) | 711.81 mi (1,145.55 km) |
| Chicago to Union City (Tennessee) | 380.88 mi (612.97 km) |
| Chicago to Union Hill-Novelty Hill (Washington) | 1,717.38 mi (2,763.85 km) |
| Chicago to Union Park (Florida) | 985.90 mi (1,586.65 km) |
| Chicago to Uniondale (New York) | 734.97 mi (1,182.81 km) |
| Chicago to Universal City (Texas) | 1,035.32 mi (1,666.18 km) |
| Chicago to University (Florida) | 995.66 mi (1,602.36 km) |
| Chicago to University City (Missouri) | 259.74 mi (418.00 km) |
| Chicago to University Heights (Ohio) | 318.33 mi (512.30 km) |
| Chicago to University of California-Santa Barbara (California) | 1,810.26 mi (2,913.33 km) |
| Chicago to University Park (Texas) | 796.37 mi (1,281.63 km) |
