| Fort Washington to Des Plaines (Illinois) | 616.46 mi (992.09 km) |
| Fort Washington to Desert Hot Springs (California) | 2,207.63 mi (3,552.84 km) |
| Fort Washington to DeSoto (Texas) | 1,189.42 mi (1,914.18 km) |
| Fort Washington to Destin (Florida) | 787.67 mi (1,267.63 km) |
| Fort Washington to Destrehan (Louisiana) | 971.91 mi (1,564.13 km) |
| Fort Washington to Detroit (Michigan) | 407.20 mi (655.33 km) |
| Fort Washington to Diamond Bar (California) | 2,275.01 mi (3,661.28 km) |
| Fort Washington to Diamond Springs (California) | 2,339.82 mi (3,765.58 km) |
| Fort Washington to Dickinson (North Dakota) | 1,414.95 mi (2,277.14 km) |
| Fort Washington to Dickinson (Texas) | 1,212.25 mi (1,950.93 km) |
| Fort Washington to Dickson (Tennessee) | 597.41 mi (961.43 km) |
| Fort Washington to Difficult Run (Virginia) | 21.67 mi (34.88 km) |
| Fort Washington to Dinuba (California) | 2,303.57 mi (3,707.24 km) |
| Fort Washington to Discovery Bay (California) | 2,393.58 mi (3,852.09 km) |
| Fort Washington to Dix Hills (New York) | 241.66 mi (388.92 km) |
