| Glenmont to Arcata (California) | 2,463.32 mi (3,964.32 km) |
| Glenmont to Archdale (North Carolina) | 270.82 mi (435.85 km) |
| Glenmont to Arden-Arcade (California) | 2,362.25 mi (3,801.67 km) |
| Glenmont to Ardmore (Oklahoma) | 1,160.32 mi (1,867.35 km) |
| Glenmont to Ardmore (Pennsylvania) | 113.47 mi (182.61 km) |
| Glenmont to Arecibo (Puerto Rico) | 1,552.88 mi (2,499.12 km) |
| Glenmont to Arkadelphia (Arkansas) | 950.72 mi (1,530.04 km) |
| Glenmont to Arkansas City (Kansas) | 1,093.89 mi (1,760.45 km) |
| Glenmont to Arlington (Tennessee) | 742.33 mi (1,194.66 km) |
| Glenmont to Arlington (Texas) | 1,203.82 mi (1,937.37 km) |
| Glenmont to Arlington (Virginia) | 13.53 mi (21.77 km) |
| Glenmont to Arlington (Washington) | 2,305.66 mi (3,710.60 km) |
| Glenmont to Arlington Heights (Illinois) | 610.20 mi (982.02 km) |
| Glenmont to Arnold (Maryland) | 29.53 mi (47.52 km) |
| Glenmont to Arnold (Missouri) | 718.82 mi (1,156.83 km) |
