| Fort Washington to Duluth (Minnesota) | 945.02 mi (1,520.87 km) |
| Fort Washington to Dumas (Texas) | 1,381.65 mi (2,223.55 km) |
| Fort Washington to Dumont (New Jersey) | 221.16 mi (355.92 km) |
| Fort Washington to Duncan (Oklahoma) | 1,192.29 mi (1,918.80 km) |
| Fort Washington to Duncanville (Texas) | 1,190.56 mi (1,916.02 km) |
| Fort Washington to Dundalk (Maryland) | 46.17 mi (74.31 km) |
| Fort Washington to Dunedin (Florida) | 810.59 mi (1,304.53 km) |
| Fort Washington to Dunkirk (New York) | 286.11 mi (460.45 km) |
| Fort Washington to Dunmore (Pennsylvania) | 199.49 mi (321.04 km) |
| Fort Washington to Dunwoody (Georgia) | 524.04 mi (843.36 km) |
| Fort Washington to Durango (Colorado) | 1,675.93 mi (2,697.15 km) |
| Fort Washington to Durant (Oklahoma) | 1,124.66 mi (1,809.96 km) |
| Fort Washington to Durham (North Carolina) | 216.92 mi (349.10 km) |
| Fort Washington to Dyer (Indiana) | 586.39 mi (943.70 km) |
| Fort Washington to Dyersburg (Tennessee) | 703.40 mi (1,132.01 km) |
