| Grayslake to Homer Glen (Illinois) | 51.05 mi (82.16 km) |
| Grayslake to Homestead (Florida) | 1,243.07 mi (2,000.53 km) |
| Grayslake to Homewood (Alabama) | 617.05 mi (993.05 km) |
| Grayslake to Homewood (Illinois) | 57.29 mi (92.20 km) |
| Grayslake to Homosassa Springs (Florida) | 983.83 mi (1,583.32 km) |
| Grayslake to Honeygo (Maryland) | 638.73 mi (1,027.94 km) |
| Grayslake to Honolulu (Hawaii) | 4,224.71 mi (6,799.02 km) |
| Grayslake to Hoover (Alabama) | 622.95 mi (1,002.54 km) |
| Grayslake to Hopatcong (New Jersey) | 696.39 mi (1,120.74 km) |
| Grayslake to Hope Mills (North Carolina) | 705.56 mi (1,135.49 km) |
| Grayslake to Hopewell (Virginia) | 667.27 mi (1,073.87 km) |
| Grayslake to Hopkins (Minnesota) | 322.49 mi (519.00 km) |
| Grayslake to Hopkinsville (Kentucky) | 381.33 mi (613.69 km) |
| Grayslake to Horizon City (Texas) | 1,239.00 mi (1,993.99 km) |
| Grayslake to Horizon West (Florida) | 1,025.32 mi (1,650.09 km) |
