| Duluth to Lizzano | 5,023.29 mi (8,084.21 km) |
| Duluth to Locate di Triulzi | 4,486.69 mi (7,220.63 km) |
| Duluth to Locorotondo | 5,000.45 mi (8,047.45 km) |
| Duluth to Locri | 5,089.90 mi (8,191.40 km) |
| Duluth to Lodi | 4,498.42 mi (7,239.51 km) |
| Duluth to Lomazzo | 4,463.90 mi (7,183.95 km) |
| Duluth to Lonate Pozzolo | 4,458.33 mi (7,174.98 km) |
| Duluth to Lonigo | 4,562.43 mi (7,342.52 km) |
| Duluth to Loreto | 4,734.77 mi (7,619.88 km) |
| Duluth to Loria | 4,562.87 mi (7,343.23 km) |
| Duluth to Lucca | 4,603.87 mi (7,409.22 km) |
| Duluth to Lucera | 4,891.96 mi (7,872.85 km) |
| Duluth to Lugo | 4,627.34 mi (7,446.99 km) |
| Duluth to Luino | 4,439.91 mi (7,145.35 km) |
| Duluth to Lurate Caccivio | 4,459.62 mi (7,177.07 km) |
