| Williamstown to Des Plaines (Illinois) | 693.71 mi (1,116.41 km) |
| Williamstown to Desert Hot Springs (California) | 2,311.81 mi (3,720.49 km) |
| Williamstown to DeSoto (Texas) | 1,311.32 mi (2,110.37 km) |
| Williamstown to Destin (Florida) | 912.16 mi (1,467.98 km) |
| Williamstown to Destrehan (Louisiana) | 1,098.79 mi (1,768.33 km) |
| Williamstown to Detroit (Michigan) | 462.30 mi (744.00 km) |
| Williamstown to Diamond Bar (California) | 2,378.19 mi (3,827.33 km) |
| Williamstown to Diamond Springs (California) | 2,429.65 mi (3,910.14 km) |
| Williamstown to Dickinson (North Dakota) | 1,475.42 mi (2,374.46 km) |
| Williamstown to Dickinson (Texas) | 1,338.74 mi (2,154.50 km) |
| Williamstown to Dickson (Tennessee) | 719.75 mi (1,158.33 km) |
| Williamstown to Difficult Run (Virginia) | 137.79 mi (221.75 km) |
| Williamstown to Dinuba (California) | 2,399.78 mi (3,862.08 km) |
| Williamstown to Discovery Bay (California) | 2,485.01 mi (3,999.24 km) |
| Williamstown to Dix Hills (New York) | 115.91 mi (186.53 km) |
