| Grays to Homer Glen (Illinois) | 3,990.96 mi (6,422.83 km) |
| Grays to Homestead (Florida) | 4,474.01 mi (7,200.22 km) |
| Grays to Homewood (Alabama) | 4,338.15 mi (6,981.58 km) |
| Grays to Homewood (Illinois) | 3,982.08 mi (6,408.54 km) |
| Grays to Homosassa Springs (Florida) | 4,393.68 mi (7,070.95 km) |
| Grays to Honeygo (Maryland) | 3,636.83 mi (5,852.91 km) |
| Grays to Honolulu (Hawaii) | 7,235.27 mi (11,644.05 km) |
| Grays to Hoover (Alabama) | 4,342.29 mi (6,988.24 km) |
| Grays to Hopatcong (New Jersey) | 3,496.69 mi (5,627.38 km) |
| Grays to Hope Mills (North Carolina) | 3,944.83 mi (6,348.59 km) |
| Grays to Hopewell (Virginia) | 3,768.23 mi (6,064.37 km) |
| Grays to Hopkins (Minnesota) | 4,036.16 mi (6,495.57 km) |
| Grays to Hopkinsville (Kentucky) | 4,199.67 mi (6,758.71 km) |
| Grays to Horizon City (Texas) | 5,176.58 mi (8,330.90 km) |
| Grays to Horizon West (Florida) | 4,373.49 mi (7,038.45 km) |
