| Pittsburgh to Lovington (New Mexico) | 1,389.29 mi (2,235.84 km) |
| Pittsburgh to Lowell (Indiana) | 393.22 mi (632.83 km) |
| Pittsburgh to Lowell (Massachusetts) | 472.41 mi (760.27 km) |
| Pittsburgh to Lower Burrell (Pennsylvania) | 16.91 mi (27.22 km) |
| Pittsburgh to Lowes Island (Virginia) | 169.37 mi (272.57 km) |
| Pittsburgh to Lubbock (Texas) | 1,294.65 mi (2,083.54 km) |
| Pittsburgh to Lufkin (Texas) | 1,036.27 mi (1,667.72 km) |
| Pittsburgh to Luling (Louisiana) | 933.24 mi (1,501.91 km) |
| Pittsburgh to Lumberton (North Carolina) | 404.74 mi (651.36 km) |
| Pittsburgh to Lumberton (Texas) | 1,064.37 mi (1,712.94 km) |
| Pittsburgh to Lutz (Florida) | 861.37 mi (1,386.24 km) |
| Pittsburgh to Lynbrook (New York) | 331.14 mi (532.91 km) |
| Pittsburgh to Lynchburg (Virginia) | 214.20 mi (344.72 km) |
| Pittsburgh to Lynden (Washington) | 2,137.00 mi (3,439.16 km) |
| Pittsburgh to Lyndhurst (Ohio) | 108.60 mi (174.78 km) |
