| Duluth to Lomita (California) | 1,633.60 mi (2,629.02 km) |
| Duluth to Lompoc (California) | 1,689.98 mi (2,719.77 km) |
| Duluth to London (Ohio) | 645.24 mi (1,038.41 km) |
| Duluth to Lone Tree (Colorado) | 812.16 mi (1,307.04 km) |
| Duluth to Long Beach (California) | 1,626.89 mi (2,618.23 km) |
| Duluth to Long Beach (Mississippi) | 1,145.25 mi (1,843.10 km) |
| Duluth to Long Beach (New York) | 1,013.97 mi (1,631.83 km) |
| Duluth to Long Branch (New Jersey) | 1,010.01 mi (1,625.46 km) |
| Duluth to Longmont (Colorado) | 792.57 mi (1,275.52 km) |
| Duluth to Longview (Texas) | 994.69 mi (1,600.81 km) |
| Duluth to Longview (Washington) | 1,458.26 mi (2,346.85 km) |
| Duluth to Longwood (Florida) | 1,377.91 mi (2,217.54 km) |
| Duluth to Lorain (Ohio) | 615.48 mi (990.52 km) |
| Duluth to Lorton (Virginia) | 938.13 mi (1,509.77 km) |
| Duluth to Los Alamitos (California) | 1,622.26 mi (2,610.78 km) |
