| Grayslake to Hanahan (South Carolina) | 783.91 mi (1,261.58 km) |
| Grayslake to Hanford (California) | 1,729.40 mi (2,783.20 km) |
| Grayslake to Hannibal (Missouri) | 252.37 mi (406.16 km) |
| Grayslake to Hanover (Pennsylvania) | 600.97 mi (967.17 km) |
| Grayslake to Hanover Park (Illinois) | 25.43 mi (40.92 km) |
| Grayslake to Happy Valley (Oregon) | 1,716.58 mi (2,762.57 km) |
| Grayslake to Harker Heights (Texas) | 942.64 mi (1,517.03 km) |
| Grayslake to Harlingen (Texas) | 1,242.74 mi (1,999.99 km) |
| Grayslake to Harper Woods (Michigan) | 260.54 mi (419.29 km) |
| Grayslake to Harrisburg (North Carolina) | 627.02 mi (1,009.09 km) |
| Grayslake to Harrisburg (Pennsylvania) | 595.52 mi (958.39 km) |
| Grayslake to Harrison (Arkansas) | 501.18 mi (806.57 km) |
| Grayslake to Harrison (New Jersey) | 725.43 mi (1,167.46 km) |
| Grayslake to Harrison (New York) | 743.34 mi (1,196.29 km) |
| Grayslake to Harrison (Ohio) | 272.33 mi (438.28 km) |
