| Glenmont to Lowell (Indiana) | 568.27 mi (914.54 km) |
| Glenmont to Lowell (Massachusetts) | 387.56 mi (623.71 km) |
| Glenmont to Lower Burrell (Pennsylvania) | 175.91 mi (283.09 km) |
| Glenmont to Lowes Island (Virginia) | 16.48 mi (26.52 km) |
| Glenmont to Lubbock (Texas) | 1,429.23 mi (2,300.12 km) |
| Glenmont to Lufkin (Texas) | 1,129.94 mi (1,818.47 km) |
| Glenmont to Luling (Louisiana) | 985.78 mi (1,586.47 km) |
| Glenmont to Lumberton (North Carolina) | 325.45 mi (523.77 km) |
| Glenmont to Lumberton (Texas) | 1,146.73 mi (1,845.49 km) |
| Glenmont to Lutz (Florida) | 816.21 mi (1,313.56 km) |
| Glenmont to Lynbrook (New York) | 209.81 mi (337.65 km) |
| Glenmont to Lynchburg (Virginia) | 163.84 mi (263.68 km) |
| Glenmont to Lynden (Washington) | 2,319.12 mi (3,732.26 km) |
| Glenmont to Lyndhurst (Ohio) | 288.87 mi (464.88 km) |
| Glenmont to Lyndon (Kentucky) | 464.01 mi (746.75 km) |
