| Forest Grove to Lowell (Indiana) | 1,799.94 mi (2,896.72 km) |
| Forest Grove to Lowell (Massachusetts) | 2,533.26 mi (4,076.89 km) |
| Forest Grove to Lower Burrell (Pennsylvania) | 2,190.18 mi (3,524.75 km) |
| Forest Grove to Lowes Island (Virginia) | 2,348.51 mi (3,779.56 km) |
| Forest Grove to Lubbock (Texas) | 1,393.21 mi (2,242.15 km) |
| Forest Grove to Lufkin (Texas) | 1,808.14 mi (2,909.92 km) |
| Forest Grove to Luling (Louisiana) | 2,069.32 mi (3,330.24 km) |
| Forest Grove to Lumberton (North Carolina) | 2,415.52 mi (3,887.40 km) |
| Forest Grove to Lumberton (Texas) | 1,880.13 mi (3,025.77 km) |
| Forest Grove to Lutz (Florida) | 2,513.24 mi (4,044.67 km) |
| Forest Grove to Lynbrook (New York) | 2,477.12 mi (3,986.53 km) |
| Forest Grove to Lynchburg (Virginia) | 2,311.62 mi (3,720.19 km) |
| Forest Grove to Lynden (Washington) | 238.69 mi (384.14 km) |
| Forest Grove to Lyndhurst (Ohio) | 2,079.74 mi (3,347.01 km) |
| Forest Grove to Lyndon (Kentucky) | 1,974.36 mi (3,177.43 km) |
