| Upminster to Lowell (Indiana) | 3,979.79 mi (6,404.85 km) |
| Upminster to Lowell (Massachusetts) | 3,284.52 mi (5,285.93 km) |
| Upminster to Lower Burrell (Pennsylvania) | 3,711.43 mi (5,972.97 km) |
| Upminster to Lowes Island (Virginia) | 3,685.50 mi (5,931.24 km) |
| Upminster to Lubbock (Texas) | 4,911.82 mi (7,904.81 km) |
| Upminster to Lufkin (Texas) | 4,756.06 mi (7,654.13 km) |
| Upminster to Luling (Louisiana) | 4,654.92 mi (7,491.37 km) |
| Upminster to Lumberton (North Carolina) | 3,958.55 mi (6,370.68 km) |
| Upminster to Lumberton (Texas) | 4,790.64 mi (7,709.80 km) |
| Upminster to Lutz (Florida) | 4,418.92 mi (7,111.56 km) |
| Upminster to Lynbrook (New York) | 3,464.43 mi (5,575.46 km) |
| Upminster to Lynchburg (Virginia) | 3,835.62 mi (6,172.84 km) |
| Upminster to Lynden (Washington) | 4,717.87 mi (7,592.68 km) |
| Upminster to Lyndhurst (Ohio) | 3,739.75 mi (6,018.55 km) |
| Upminster to Lyndon (Kentucky) | 4,051.47 mi (6,520.21 km) |
