| London Colney to Lowell (Indiana) | 3,953.39 mi (6,362.37 km) |
| London Colney to Lowell (Massachusetts) | 3,258.36 mi (5,243.83 km) |
| London Colney to Lower Burrell (Pennsylvania) | 3,685.12 mi (5,930.63 km) |
| London Colney to Lowes Island (Virginia) | 3,659.34 mi (5,889.14 km) |
| London Colney to Lubbock (Texas) | 4,885.48 mi (7,862.42 km) |
| London Colney to Lufkin (Texas) | 4,729.68 mi (7,611.69 km) |
| London Colney to Luling (Louisiana) | 4,628.69 mi (7,449.16 km) |
| London Colney to Lumberton (North Carolina) | 3,932.60 mi (6,328.92 km) |
| London Colney to Lumberton (Texas) | 4,764.30 mi (7,667.40 km) |
| London Colney to Lutz (Florida) | 4,393.24 mi (7,070.24 km) |
| London Colney to Lynbrook (New York) | 3,438.32 mi (5,533.44 km) |
| London Colney to Lynchburg (Virginia) | 3,809.48 mi (6,130.77 km) |
| London Colney to Lynden (Washington) | 4,694.31 mi (7,554.77 km) |
| London Colney to Lyndhurst (Ohio) | 3,713.38 mi (5,976.11 km) |
| London Colney to Lyndon (Kentucky) | 4,025.11 mi (6,477.79 km) |
