| Williamstown to Hagerstown (Maryland) | 145.93 mi (234.85 km) |
| Williamstown to Haines City (Florida) | 885.17 mi (1,424.54 km) |
| Williamstown to Halawa (Hawaii) | 4,925.44 mi (7,926.73 km) |
| Williamstown to Half Moon Bay (California) | 2,538.04 mi (4,084.58 km) |
| Williamstown to Halfway (Maryland) | 148.59 mi (239.13 km) |
| Williamstown to Hallandale Beach (Florida) | 992.55 mi (1,597.35 km) |
| Williamstown to Haltom City (Texas) | 1,325.27 mi (2,132.82 km) |
| Williamstown to Ham Lake (Minnesota) | 1,002.49 mi (1,613.36 km) |
| Williamstown to Hamilton (Ohio) | 510.97 mi (822.32 km) |
| Williamstown to Hamilton Square (New Jersey) | 40.95 mi (65.90 km) |
| Williamstown to Hammond (Indiana) | 668.66 mi (1,076.10 km) |
| Williamstown to Hammond (Louisiana) | 1,078.13 mi (1,735.09 km) |
| Williamstown to Hammonton (New Jersey) | 11.40 mi (18.35 km) |
| Williamstown to Hampton (Virginia) | 196.72 mi (316.59 km) |
| Williamstown to Hampton Bays (New York) | 153.07 mi (246.34 km) |
