| Duluth to Lindsay (California) | 1,563.39 mi (2,516.03 km) |
| Duluth to Linganore (Maryland) | 902.77 mi (1,452.87 km) |
| Duluth to Lino Lakes (Minnesota) | 119.97 mi (193.07 km) |
| Duluth to Linthicum (Maryland) | 938.17 mi (1,509.84 km) |
| Duluth to Linton Hall (Virginia) | 921.05 mi (1,482.28 km) |
| Duluth to Lisle (Illinois) | 398.26 mi (640.94 km) |
| Duluth to Lithia Springs (Georgia) | 979.69 mi (1,576.66 km) |
| Duluth to Little Canada (Minnesota) | 129.28 mi (208.05 km) |
| Duluth to Little Chute (Wisconsin) | 252.21 mi (405.89 km) |
| Duluth to Little Elm (Texas) | 972.12 mi (1,564.47 km) |
| Duluth to Little Ferry (New Jersey) | 988.09 mi (1,590.17 km) |
| Duluth to Little Rock (Arkansas) | 832.65 mi (1,340.02 km) |
| Duluth to Littleton (Colorado) | 815.22 mi (1,311.97 km) |
| Duluth to Live Oak (California) | 1,664.47 mi (2,678.70 km) |
| Duluth to Live Oak (Texas) | 1,235.62 mi (1,988.54 km) |
