| Forest Grove to Lomita (California) | 849.25 mi (1,366.74 km) |
| Forest Grove to Lompoc (California) | 763.25 mi (1,228.33 km) |
| Forest Grove to London (Ohio) | 2,029.95 mi (3,266.89 km) |
| Forest Grove to Lone Tree (Colorado) | 1,013.82 mi (1,631.59 km) |
| Forest Grove to Long Beach (California) | 851.37 mi (1,370.15 km) |
| Forest Grove to Long Beach (Mississippi) | 2,103.21 mi (3,384.79 km) |
| Forest Grove to Long Beach (New York) | 2,479.50 mi (3,990.38 km) |
| Forest Grove to Long Branch (New Jersey) | 2,472.48 mi (3,979.08 km) |
| Forest Grove to Longmont (Colorado) | 981.77 mi (1,580.01 km) |
| Forest Grove to Longview (Texas) | 1,753.37 mi (2,821.77 km) |
| Forest Grove to Longview (Washington) | 43.54 mi (70.07 km) |
| Forest Grove to Longwood (Florida) | 2,540.39 mi (4,088.36 km) |
| Forest Grove to Lorain (Ohio) | 2,048.48 mi (3,296.71 km) |
| Forest Grove to Lorton (Virginia) | 2,365.77 mi (3,807.33 km) |
| Forest Grove to Los Alamitos (California) | 853.18 mi (1,373.06 km) |
