| Grays to Hazleton (Pennsylvania) | 3,550.06 mi (5,713.26 km) |
| Grays to Healdsburg (California) | 5,332.57 mi (8,581.95 km) |
| Grays to Heath (Ohio) | 3,850.32 mi (6,196.50 km) |
| Grays to Heber (Utah) | 4,875.15 mi (7,845.79 km) |
| Grays to Helena (Alabama) | 4,349.78 mi (7,000.30 km) |
| Grays to Helena (Montana) | 4,564.89 mi (7,346.48 km) |
| Grays to Hemet (California) | 5,434.70 mi (8,746.31 km) |
| Grays to Henderson (Kentucky) | 4,155.34 mi (6,687.37 km) |
| Grays to Henderson (Nevada) | 5,242.03 mi (8,436.23 km) |
| Grays to Henderson (North Carolina) | 3,858.79 mi (6,210.12 km) |
| Grays to Henderson (Texas) | 4,721.04 mi (7,597.77 km) |
| Grays to Hendersonville (North Carolina) | 4,071.34 mi (6,552.19 km) |
| Grays to Hendersonville (Tennessee) | 4,190.67 mi (6,744.24 km) |
| Grays to Hercules (California) | 5,350.81 mi (8,611.30 km) |
| Grays to Hereford (Texas) | 4,869.98 mi (7,837.47 km) |
