| Los Alamos to Lombard (Illinois) | 1,063.29 mi (1,711.20 km) |
| Los Alamos to Lomita (California) | 697.01 mi (1,121.72 km) |
| Los Alamos to Lompoc (California) | 803.91 mi (1,293.77 km) |
| Los Alamos to London (Ohio) | 1,272.37 mi (2,047.68 km) |
| Los Alamos to Lone Tree (Colorado) | 263.00 mi (423.26 km) |
| Los Alamos to Long Beach (California) | 688.60 mi (1,108.19 km) |
| Los Alamos to Long Beach (Mississippi) | 1,060.00 mi (1,705.91 km) |
| Los Alamos to Long Beach (New York) | 1,789.11 mi (2,879.29 km) |
| Los Alamos to Long Branch (New Jersey) | 1,772.12 mi (2,851.96 km) |
| Los Alamos to Longmont (Colorado) | 302.39 mi (486.65 km) |
| Los Alamos to Longview (Texas) | 697.99 mi (1,123.30 km) |
| Los Alamos to Longview (Washington) | 1,117.48 mi (1,798.41 km) |
| Los Alamos to Longwood (Florida) | 1,533.72 mi (2,468.28 km) |
| Los Alamos to Lorain (Ohio) | 1,350.53 mi (2,173.47 km) |
| Los Alamos to Lorton (Virginia) | 1,602.76 mi (2,579.40 km) |
