| Williamstown to Hutchinson (Kansas) | 1,235.04 mi (1,987.60 km) |
| Williamstown to Hutchinson (Minnesota) | 1,051.43 mi (1,692.11 km) |
| Williamstown to Hutto (Texas) | 1,417.91 mi (2,281.90 km) |
| Williamstown to Hyattsville (Maryland) | 116.93 mi (188.18 km) |
| Williamstown to Hybla Valley (Virginia) | 129.95 mi (209.13 km) |
| Williamstown to Idaho Falls (Idaho) | 1,916.92 mi (3,084.98 km) |
| Williamstown to Idylwood (Virginia) | 131.22 mi (211.18 km) |
| Williamstown to Ilchester (Maryland) | 100.82 mi (162.26 km) |
| Williamstown to Immokalee (Florida) | 988.71 mi (1,591.18 km) |
| Williamstown to Imperial (California) | 2,290.26 mi (3,685.82 km) |
| Williamstown to Imperial Beach (California) | 2,379.99 mi (3,830.23 km) |
| Williamstown to Independence (Kentucky) | 513.85 mi (826.96 km) |
| Williamstown to Independence (Missouri) | 1,033.27 mi (1,662.89 km) |
| Williamstown to Indian Trail (North Carolina) | 445.43 mi (716.85 km) |
| Williamstown to Indiana (Pennsylvania) | 229.79 mi (369.81 km) |
