| Mountain Ash to Lowell (Indiana) | 3,836.12 mi (6,173.64 km) |
| Mountain Ash to Lowell (Massachusetts) | 3,133.56 mi (5,042.98 km) |
| Mountain Ash to Lower Burrell (Pennsylvania) | 3,562.72 mi (5,733.65 km) |
| Mountain Ash to Lowes Island (Virginia) | 3,534.57 mi (5,688.34 km) |
| Mountain Ash to Lubbock (Texas) | 4,771.78 mi (7,679.44 km) |
| Mountain Ash to Lufkin (Texas) | 4,609.19 mi (7,417.78 km) |
| Mountain Ash to Luling (Louisiana) | 4,504.70 mi (7,249.62 km) |
| Mountain Ash to Lumberton (North Carolina) | 3,805.79 mi (6,124.83 km) |
| Mountain Ash to Lumberton (Texas) | 4,642.78 mi (7,471.82 km) |
| Mountain Ash to Lutz (Florida) | 4,264.74 mi (6,863.43 km) |
| Mountain Ash to Lynbrook (New York) | 3,313.02 mi (5,331.79 km) |
| Mountain Ash to Lynchburg (Virginia) | 3,684.44 mi (5,929.54 km) |
| Mountain Ash to Lynden (Washington) | 4,616.03 mi (7,428.78 km) |
| Mountain Ash to Lyndhurst (Ohio) | 3,592.76 mi (5,781.99 km) |
| Mountain Ash to Lyndon (Kentucky) | 3,904.10 mi (6,283.04 km) |
