| Most to Lowell (Indiana) | 4,513.10 mi (7,263.14 km) |
| Most to Lowell (Massachusetts) | 3,847.08 mi (6,191.28 km) |
| Most to Lower Burrell (Pennsylvania) | 4,264.55 mi (6,863.13 km) |
| Most to Lowes Island (Virginia) | 4,247.31 mi (6,835.39 km) |
| Most to Lubbock (Texas) | 5,428.23 mi (8,735.89 km) |
| Most to Lufkin (Texas) | 5,299.84 mi (8,529.26 km) |
| Most to Luling (Louisiana) | 5,212.43 mi (8,388.60 km) |
| Most to Lumberton (North Carolina) | 4,527.40 mi (7,286.14 km) |
| Most to Lumberton (Texas) | 5,338.39 mi (8,591.31 km) |
| Most to Lutz (Florida) | 4,993.53 mi (8,036.31 km) |
| Most to Lynbrook (New York) | 4,028.45 mi (6,483.16 km) |
| Most to Lynchburg (Virginia) | 4,398.18 mi (7,078.19 km) |
| Most to Lynden (Washington) | 5,090.75 mi (8,192.77 km) |
| Most to Lyndhurst (Ohio) | 4,286.27 mi (6,898.09 km) |
| Most to Lyndon (Kentucky) | 4,598.72 mi (7,400.93 km) |
