| Round Lake Beach to Hillcrest Heights (Maryland) | 631.77 mi (1,016.73 km) |
| Round Lake Beach to Hilliard (Ohio) | 302.77 mi (487.27 km) |
| Round Lake Beach to Hillsboro (Oregon) | 1,733.48 mi (2,789.77 km) |
| Round Lake Beach to Hillsborough (California) | 1,832.58 mi (2,949.25 km) |
| Round Lake Beach to Hillsborough (New Jersey) | 706.66 mi (1,137.26 km) |
| Round Lake Beach to Hilo (Hawaii) | 4,151.15 mi (6,680.63 km) |
| Round Lake Beach to Hilton Head Island (South Carolina) | 810.45 mi (1,304.29 km) |
| Round Lake Beach to Hinesville (Georgia) | 811.03 mi (1,305.23 km) |
| Round Lake Beach to Hinsdale (Illinois) | 40.73 mi (65.56 km) |
| Round Lake Beach to Hobart (Indiana) | 72.78 mi (117.14 km) |
| Round Lake Beach to Hobbs (New Mexico) | 1,058.73 mi (1,703.86 km) |
| Round Lake Beach to Hobe Sound (Florida) | 1,148.30 mi (1,848.00 km) |
| Round Lake Beach to Hoboken (New Jersey) | 734.36 mi (1,181.83 km) |
| Round Lake Beach to Hockessin (Delaware) | 669.52 mi (1,077.49 km) |
| Round Lake Beach to Hoffman Estates (Illinois) | 22.03 mi (35.45 km) |
