| Williamstown to Duluth (Minnesota) | 989.97 mi (1,593.21 km) |
| Williamstown to Dumas (Texas) | 1,491.44 mi (2,400.24 km) |
| Williamstown to Dumont (New Jersey) | 101.25 mi (162.95 km) |
| Williamstown to Duncan (Oklahoma) | 1,309.05 mi (2,106.72 km) |
| Williamstown to Duncanville (Texas) | 1,312.34 mi (2,112.01 km) |
| Williamstown to Dundalk (Maryland) | 85.81 mi (138.09 km) |
| Williamstown to Dunedin (Florida) | 920.53 mi (1,481.44 km) |
| Williamstown to Dunkirk (New York) | 297.66 mi (479.03 km) |
| Williamstown to Dunmore (Pennsylvania) | 123.86 mi (199.33 km) |
| Williamstown to Dunwoody (Georgia) | 650.64 mi (1,047.11 km) |
| Williamstown to Durango (Colorado) | 1,777.41 mi (2,860.47 km) |
| Williamstown to Durant (Oklahoma) | 1,244.08 mi (2,002.15 km) |
| Williamstown to Durham (North Carolina) | 333.82 mi (537.23 km) |
| Williamstown to Dyer (Indiana) | 668.59 mi (1,075.98 km) |
| Williamstown to Dyersburg (Tennessee) | 823.60 mi (1,325.46 km) |
