| Grays to Hanahan (South Carolina) | 4,085.54 mi (6,575.04 km) |
| Grays to Hanford (California) | 5,370.01 mi (8,642.20 km) |
| Grays to Hannibal (Missouri) | 4,211.93 mi (6,778.45 km) |
| Grays to Hanover (Pennsylvania) | 3,641.26 mi (5,860.05 km) |
| Grays to Hanover Park (Illinois) | 3,980.72 mi (6,406.34 km) |
| Grays to Happy Valley (Oregon) | 4,927.32 mi (7,929.75 km) |
| Grays to Harker Heights (Texas) | 4,888.82 mi (7,867.80 km) |
| Grays to Harlingen (Texas) | 5,147.40 mi (8,283.94 km) |
| Grays to Harper Woods (Michigan) | 3,759.87 mi (6,050.92 km) |
| Grays to Harrisburg (North Carolina) | 3,998.08 mi (6,434.30 km) |
| Grays to Harrisburg (Pennsylvania) | 3,616.64 mi (5,820.42 km) |
| Grays to Harrison (Arkansas) | 4,448.64 mi (7,159.39 km) |
| Grays to Harrison (New Jersey) | 3,485.25 mi (5,608.96 km) |
| Grays to Harrison (New York) | 3,455.44 mi (5,561.00 km) |
| Grays to Harrison (Ohio) | 3,978.35 mi (6,402.53 km) |
