| Round Lake Beach to Ukiah (California) | 1,838.72 mi (2,959.13 km) |
| Round Lake Beach to Union (Missouri) | 312.27 mi (502.54 km) |
| Round Lake Beach to Union City (California) | 1,814.05 mi (2,919.43 km) |
| Round Lake Beach to Union City (Georgia) | 636.33 mi (1,024.08 km) |
| Round Lake Beach to Union City (New Jersey) | 733.79 mi (1,180.91 km) |
| Round Lake Beach to Union City (Tennessee) | 414.49 mi (667.05 km) |
| Round Lake Beach to Union Hill-Novelty Hill (Washington) | 1,683.31 mi (2,709.02 km) |
| Round Lake Beach to Union Park (Florida) | 1,028.30 mi (1,654.89 km) |
| Round Lake Beach to Uniondale (New York) | 756.87 mi (1,218.06 km) |
| Round Lake Beach to Universal City (Texas) | 1,052.93 mi (1,694.53 km) |
| Round Lake Beach to University (Florida) | 1,037.66 mi (1,669.95 km) |
| Round Lake Beach to University City (Missouri) | 282.46 mi (454.57 km) |
| Round Lake Beach to University Heights (Ohio) | 341.86 mi (550.17 km) |
| Round Lake Beach to University of California-Santa Barbara (California) | 1,794.42 mi (2,887.84 km) |
| Round Lake Beach to University Park (Texas) | 811.91 mi (1,306.64 km) |
