| Williamstown to Hillcrest Heights (Maryland) | 121.37 mi (195.33 km) |
| Williamstown to Hilliard (Ohio) | 434.30 mi (698.94 km) |
| Williamstown to Hillsboro (Oregon) | 2,434.93 mi (3,918.64 km) |
| Williamstown to Hillsborough (California) | 2,531.96 mi (4,074.79 km) |
| Williamstown to Hillsborough (New Jersey) | 59.19 mi (95.26 km) |
| Williamstown to Hilo (Hawaii) | 4,846.63 mi (7,799.90 km) |
| Williamstown to Hilton Head Island (South Carolina) | 610.08 mi (981.82 km) |
| Williamstown to Hinesville (Georgia) | 657.97 mi (1,058.90 km) |
| Williamstown to Hinsdale (Illinois) | 692.66 mi (1,114.72 km) |
| Williamstown to Hobart (Indiana) | 656.59 mi (1,056.68 km) |
| Williamstown to Hobbs (New Mexico) | 1,635.26 mi (2,631.70 km) |
| Williamstown to Hobe Sound (Florida) | 920.63 mi (1,481.62 km) |
| Williamstown to Hoboken (New Jersey) | 88.64 mi (142.65 km) |
| Williamstown to Hockessin (Delaware) | 37.94 mi (61.05 km) |
| Williamstown to Hoffman Estates (Illinois) | 706.49 mi (1,136.99 km) |
