| Portlethen to Lowell (Indiana) | 3,733.09 mi (6,007.83 km) |
| Portlethen to Lowell (Massachusetts) | 3,089.68 mi (4,972.36 km) |
| Portlethen to Lower Burrell (Pennsylvania) | 3,496.02 mi (5,626.31 km) |
| Portlethen to Lowes Island (Virginia) | 3,487.53 mi (5,612.64 km) |
| Portlethen to Lubbock (Texas) | 4,644.32 mi (7,474.31 km) |
| Portlethen to Lufkin (Texas) | 4,523.30 mi (7,279.54 km) |
| Portlethen to Luling (Louisiana) | 4,445.64 mi (7,154.57 km) |
| Portlethen to Lumberton (North Carolina) | 3,776.62 mi (6,077.88 km) |
| Portlethen to Lumberton (Texas) | 4,564.01 mi (7,345.06 km) |
| Portlethen to Lutz (Florida) | 4,252.40 mi (6,843.57 km) |
| Portlethen to Lynbrook (New York) | 3,272.26 mi (5,266.19 km) |
| Portlethen to Lynchburg (Virginia) | 3,638.84 mi (5,856.15 km) |
| Portlethen to Lynden (Washington) | 4,358.97 mi (7,015.08 km) |
| Portlethen to Lyndhurst (Ohio) | 3,512.90 mi (5,653.47 km) |
| Portlethen to Lyndon (Kentucky) | 3,825.22 mi (6,156.10 km) |
