| Glenmont to Dixon (California) | 2,388.03 mi (3,843.17 km) |
| Glenmont to Dixon (Illinois) | 680.43 mi (1,095.05 km) |
| Glenmont to Dobbs Ferry (New York) | 215.06 mi (346.11 km) |
| Glenmont to Doctor Phillips (Florida) | 776.79 mi (1,250.12 km) |
| Glenmont to Dodge City (Kansas) | 1,243.56 mi (2,001.32 km) |
| Glenmont to Dolton (Illinois) | 582.59 mi (937.58 km) |
| Glenmont to Donna (Texas) | 1,507.77 mi (2,426.52 km) |
| Glenmont to Dorado (Puerto Rico) | 1,563.13 mi (2,515.61 km) |
| Glenmont to Doral (Florida) | 935.72 mi (1,505.90 km) |
| Glenmont to Doraville (Georgia) | 536.58 mi (863.54 km) |
| Glenmont to Dothan (Alabama) | 717.78 mi (1,155.16 km) |
| Glenmont to Douglas (Arizona) | 1,898.61 mi (3,055.51 km) |
| Glenmont to Douglas (Georgia) | 616.40 mi (992.00 km) |
| Glenmont to Douglasville (Georgia) | 562.71 mi (905.59 km) |
| Glenmont to Dover (Delaware) | 82.07 mi (132.08 km) |
