| West Mifflin to Lovington (New Mexico) | 1,391.40 mi (2,239.25 km) |
| West Mifflin to Lowell (Indiana) | 397.89 mi (640.35 km) |
| West Mifflin to Lowell (Massachusetts) | 471.15 mi (758.24 km) |
| West Mifflin to Lower Burrell (Pennsylvania) | 18.49 mi (29.76 km) |
| West Mifflin to Lowes Island (Virginia) | 163.24 mi (262.71 km) |
| West Mifflin to Lubbock (Texas) | 1,296.77 mi (2,086.94 km) |
| West Mifflin to Lufkin (Texas) | 1,036.29 mi (1,667.75 km) |
| West Mifflin to Luling (Louisiana) | 931.50 mi (1,499.10 km) |
| West Mifflin to Lumberton (North Carolina) | 398.67 mi (641.60 km) |
| West Mifflin to Lumberton (Texas) | 1,063.91 mi (1,712.20 km) |
| West Mifflin to Lutz (Florida) | 856.47 mi (1,378.36 km) |
| West Mifflin to Lynbrook (New York) | 328.03 mi (527.91 km) |
| West Mifflin to Lynchburg (Virginia) | 207.96 mi (334.68 km) |
| West Mifflin to Lynden (Washington) | 2,142.98 mi (3,448.80 km) |
| West Mifflin to Lyndhurst (Ohio) | 115.13 mi (185.29 km) |
