| Glenmont to Darby (Pennsylvania) | 111.91 mi (180.09 km) |
| Glenmont to Dardenne Prairie (Missouri) | 735.36 mi (1,183.45 km) |
| Glenmont to Darien (Illinois) | 603.78 mi (971.70 km) |
| Glenmont to Davenport (Iowa) | 733.85 mi (1,181.02 km) |
| Glenmont to Davidson (North Carolina) | 323.24 mi (520.20 km) |
| Glenmont to Davie (Florida) | 917.01 mi (1,475.79 km) |
| Glenmont to Davis (California) | 2,381.46 mi (3,832.60 km) |
| Glenmont to Dayton (Nevada) | 2,256.29 mi (3,631.14 km) |
| Glenmont to Dayton (Ohio) | 384.84 mi (619.33 km) |
| Glenmont to Daytona Beach (Florida) | 720.03 mi (1,158.78 km) |
| Glenmont to De Pere (Wisconsin) | 677.74 mi (1,090.72 km) |
| Glenmont to De Witt (New York) | 278.20 mi (447.72 km) |
| Glenmont to Dearborn (Michigan) | 392.98 mi (632.43 km) |
| Glenmont to Dearborn Heights (Michigan) | 395.86 mi (637.08 km) |
| Glenmont to DeBary (Florida) | 745.13 mi (1,199.17 km) |
