| Glenmont to Land O' Lakes (Florida) | 811.85 mi (1,306.54 km) |
| Glenmont to Landover (Maryland) | 13.21 mi (21.25 km) |
| Glenmont to Langley Park (Maryland) | 6.57 mi (10.57 km) |
| Glenmont to Lanham (Maryland) | 13.27 mi (21.36 km) |
| Glenmont to Lansdale (Pennsylvania) | 124.00 mi (199.55 km) |
| Glenmont to Lansdowne (Pennsylvania) | 111.94 mi (180.16 km) |
| Glenmont to Lansdowne (Virginia) | 23.47 mi (37.77 km) |
| Glenmont to Lansing (Illinois) | 578.93 mi (931.70 km) |
| Glenmont to Lansing (Kansas) | 954.90 mi (1,536.76 km) |
| Glenmont to Lansing (Michigan) | 465.99 mi (749.93 km) |
| Glenmont to Lantana (Florida) | 880.09 mi (1,416.37 km) |
| Glenmont to Lantana (Texas) | 1,191.51 mi (1,917.54 km) |
| Glenmont to Laplace (Louisiana) | 983.03 mi (1,582.03 km) |
| Glenmont to Laramie (Wyoming) | 1,508.59 mi (2,427.85 km) |
| Glenmont to Laredo (Texas) | 1,513.73 mi (2,436.12 km) |
