| Williamstown to Dallas (Oregon) | 2,459.23 mi (3,957.74 km) |
| Williamstown to Dallas (Texas) | 1,300.08 mi (2,092.27 km) |
| Williamstown to Dalton (Georgia) | 645.72 mi (1,039.18 km) |
| Williamstown to Daly City (California) | 2,534.86 mi (4,079.46 km) |
| Williamstown to Damascus (Maryland) | 121.70 mi (195.86 km) |
| Williamstown to Damascus (Oregon) | 2,412.28 mi (3,882.19 km) |
| Williamstown to Dana Point (California) | 2,385.81 mi (3,839.59 km) |
| Williamstown to Danbury (Connecticut) | 142.45 mi (229.25 km) |
| Williamstown to Dania Beach (Florida) | 988.02 mi (1,590.06 km) |
| Williamstown to Danville (California) | 2,506.26 mi (4,033.43 km) |
| Williamstown to Danville (Illinois) | 669.63 mi (1,077.66 km) |
| Williamstown to Danville (Indiana) | 611.98 mi (984.88 km) |
| Williamstown to Danville (Kentucky) | 546.90 mi (880.15 km) |
| Williamstown to Danville (Virginia) | 322.37 mi (518.80 km) |
| Williamstown to Daphne (Alabama) | 959.02 mi (1,543.39 km) |
