| Glenmont to Delaware (Ohio) | 331.26 mi (533.12 km) |
| Glenmont to Delhi (California) | 2,352.42 mi (3,785.85 km) |
| Glenmont to Delray Beach (Florida) | 889.20 mi (1,431.03 km) |
| Glenmont to Deltona (Florida) | 741.54 mi (1,193.39 km) |
| Glenmont to Deming (New Mexico) | 1,777.23 mi (2,860.17 km) |
| Glenmont to Denison (Texas) | 1,143.48 mi (1,840.25 km) |
| Glenmont to Dent (Ohio) | 408.02 mi (656.64 km) |
| Glenmont to Denton (Texas) | 1,188.81 mi (1,913.21 km) |
| Glenmont to Dentsville (South Carolina) | 407.45 mi (655.73 km) |
| Glenmont to Denver (Colorado) | 1,480.26 mi (2,382.25 km) |
| Glenmont to Depew (New York) | 279.16 mi (449.27 km) |
| Glenmont to Derby (Connecticut) | 260.84 mi (419.78 km) |
| Glenmont to Derby (Kansas) | 1,098.25 mi (1,767.46 km) |
| Glenmont to Des Moines (Iowa) | 888.06 mi (1,429.20 km) |
| Glenmont to Des Moines (Washington) | 2,315.39 mi (3,726.26 km) |
