| Williamstown to Hazelwood (Missouri) | 825.99 mi (1,329.31 km) |
| Williamstown to Hazleton (Pennsylvania) | 101.77 mi (163.79 km) |
| Williamstown to Healdsburg (California) | 2,535.66 mi (4,080.75 km) |
| Williamstown to Heath (Ohio) | 396.39 mi (637.93 km) |
| Williamstown to Heber (Utah) | 1,911.96 mi (3,077.00 km) |
| Williamstown to Helena (Alabama) | 794.38 mi (1,278.44 km) |
| Williamstown to Helena (Montana) | 1,908.45 mi (3,071.36 km) |
| Williamstown to Hemet (California) | 2,341.70 mi (3,768.61 km) |
| Williamstown to Henderson (Kentucky) | 690.17 mi (1,110.72 km) |
| Williamstown to Henderson (Nevada) | 2,182.04 mi (3,511.66 km) |
| Williamstown to Henderson (North Carolina) | 298.20 mi (479.90 km) |
| Williamstown to Henderson (Texas) | 1,221.22 mi (1,965.36 km) |
| Williamstown to Hendersonville (North Carolina) | 508.52 mi (818.38 km) |
| Williamstown to Hendersonville (Tennessee) | 673.87 mi (1,084.49 km) |
| Williamstown to Hercules (California) | 2,517.00 mi (4,050.72 km) |
