| Glenmont to Des Plaines (Illinois) | 604.99 mi (973.64 km) |
| Glenmont to Desert Hot Springs (California) | 2,204.06 mi (3,547.09 km) |
| Glenmont to DeSoto (Texas) | 1,193.49 mi (1,920.74 km) |
| Glenmont to Destin (Florida) | 802.50 mi (1,291.50 km) |
| Glenmont to Destrehan (Louisiana) | 983.51 mi (1,582.81 km) |
| Glenmont to Detroit (Michigan) | 390.93 mi (629.15 km) |
| Glenmont to Diamond Bar (California) | 2,271.13 mi (3,655.02 km) |
| Glenmont to Diamond Springs (California) | 2,332.20 mi (3,753.32 km) |
| Glenmont to Dickinson (North Dakota) | 1,401.02 mi (2,254.72 km) |
| Glenmont to Dickinson (Texas) | 1,220.88 mi (1,964.81 km) |
| Glenmont to Dickson (Tennessee) | 601.70 mi (968.34 km) |
| Glenmont to Difficult Run (Virginia) | 19.88 mi (32.00 km) |
| Glenmont to Dinuba (California) | 2,297.63 mi (3,697.68 km) |
| Glenmont to Discovery Bay (California) | 2,386.38 mi (3,840.50 km) |
| Glenmont to Dix Hills (New York) | 230.10 mi (370.31 km) |
