| Duluth to Lichtenau | 4,192.41 mi (6,747.03 km) |
| Duluth to Lichtenfels | 4,329.49 mi (6,967.64 km) |
| Duluth to Lichtenstein | 4,353.40 mi (7,006.12 km) |
| Duluth to Lienen | 4,138.50 mi (6,660.27 km) |
| Duluth to Limbach-Oberfrohna | 4,352.14 mi (7,004.09 km) |
| Duluth to Limburg | 4,218.62 mi (6,789.21 km) |
| Duluth to Limburgerhof | 4,272.33 mi (6,875.64 km) |
| Duluth to Lindau | 4,401.92 mi (7,084.21 km) |
| Duluth to Lindenberg im Allgau | 4,406.98 mi (7,092.35 km) |
| Duluth to Lindlar | 4,167.75 mi (6,707.35 km) |
| Duluth to Lingen | 4,100.78 mi (6,599.57 km) |
| Duluth to Linkenheim-Hochstetten | 4,286.17 mi (6,897.93 km) |
| Duluth to Linnich | 4,131.52 mi (6,649.04 km) |
| Duluth to Lippstadt | 4,171.81 mi (6,713.88 km) |
| Duluth to Lobau | 4,402.96 mi (7,085.88 km) |
