| Lanham to Duluth (Minnesota) | 941.56 mi (1,515.29 km) |
| Lanham to Dumas (Texas) | 1,390.72 mi (2,238.14 km) |
| Lanham to Dumont (New Jersey) | 203.84 mi (328.04 km) |
| Lanham to Duncan (Oklahoma) | 1,203.23 mi (1,936.41 km) |
| Lanham to Duncanville (Texas) | 1,203.16 mi (1,936.31 km) |
| Lanham to Dundalk (Maryland) | 28.32 mi (45.57 km) |
| Lanham to Dunedin (Florida) | 828.65 mi (1,333.58 km) |
| Lanham to Dunkirk (New York) | 275.81 mi (443.88 km) |
| Lanham to Dunmore (Pennsylvania) | 181.59 mi (292.25 km) |
| Lanham to Dunwoody (Georgia) | 540.64 mi (870.07 km) |
| Lanham to Durango (Colorado) | 1,683.08 mi (2,708.66 km) |
| Lanham to Durant (Oklahoma) | 1,136.43 mi (1,828.90 km) |
| Lanham to Durham (North Carolina) | 235.01 mi (378.20 km) |
| Lanham to Dyer (Indiana) | 588.86 mi (947.68 km) |
| Lanham to Dyersburg (Tennessee) | 715.34 mi (1,151.23 km) |
