| Williamstown to Horizon West (Florida) | 864.20 mi (1,390.80 km) |
| Williamstown to Hormigueros (Puerto Rico) | 1,560.89 mi (2,512.02 km) |
| Williamstown to Horn Lake (Mississippi) | 889.03 mi (1,430.76 km) |
| Williamstown to Hot Springs (Arkansas) | 1,056.51 mi (1,700.30 km) |
| Williamstown to Hot Springs Village (Arkansas) | 1,047.22 mi (1,685.33 km) |
| Williamstown to Houma (Louisiana) | 1,131.56 mi (1,821.07 km) |
| Williamstown to Houston (Texas) | 1,340.95 mi (2,158.05 km) |
| Williamstown to Howard (Wisconsin) | 750.72 mi (1,208.16 km) |
| Williamstown to Huber Heights (Ohio) | 485.01 mi (780.54 km) |
| Williamstown to Hudson (Florida) | 897.76 mi (1,444.80 km) |
| Williamstown to Hudson (Ohio) | 356.13 mi (573.14 km) |
| Williamstown to Hudson (Wisconsin) | 974.82 mi (1,568.82 km) |
| Williamstown to Hueytown (Alabama) | 795.18 mi (1,279.72 km) |
| Williamstown to Hugo (Minnesota) | 989.35 mi (1,592.21 km) |
| Williamstown to Humacao (Puerto Rico) | 1,585.45 mi (2,551.53 km) |
