| Los Alamos to Lowell (Indiana) | 1,082.29 mi (1,741.77 km) |
| Los Alamos to Lowell (Massachusetts) | 1,912.88 mi (3,078.49 km) |
| Los Alamos to Lower Burrell (Pennsylvania) | 1,471.99 mi (2,368.93 km) |
| Los Alamos to Lowes Island (Virginia) | 1,594.73 mi (2,566.47 km) |
| Los Alamos to Lubbock (Texas) | 296.98 mi (477.94 km) |
| Los Alamos to Lufkin (Texas) | 735.62 mi (1,183.86 km) |
| Los Alamos to Luling (Louisiana) | 1,011.19 mi (1,627.35 km) |
| Los Alamos to Lumberton (North Carolina) | 1,535.82 mi (2,471.67 km) |
| Los Alamos to Lumberton (Texas) | 799.58 mi (1,286.80 km) |
| Los Alamos to Lutz (Florida) | 1,490.98 mi (2,399.50 km) |
| Los Alamos to Lynbrook (New York) | 1,788.67 mi (2,878.59 km) |
| Los Alamos to Lynchburg (Virginia) | 1,500.50 mi (2,414.82 km) |
| Los Alamos to Lynden (Washington) | 1,217.21 mi (1,958.91 km) |
| Los Alamos to Lyndhurst (Ohio) | 1,386.73 mi (2,231.72 km) |
| Los Alamos to Lyndon (Kentucky) | 1,150.13 mi (1,850.96 km) |
