| Port Huron to Lizzano | 4,819.23 mi (7,755.81 km) |
| Port Huron to Locate di Triulzi | 4,280.67 mi (6,889.07 km) |
| Port Huron to Locorotondo | 4,798.24 mi (7,722.03 km) |
| Port Huron to Locri | 4,865.47 mi (7,830.22 km) |
| Port Huron to Lodi | 4,293.35 mi (6,909.48 km) |
| Port Huron to Lomazzo | 4,259.80 mi (6,855.49 km) |
| Port Huron to Lonate Pozzolo | 4,252.27 mi (6,843.36 km) |
| Port Huron to Lonigo | 4,365.94 mi (7,026.31 km) |
| Port Huron to Loreto | 4,533.80 mi (7,296.45 km) |
| Port Huron to Loria | 4,371.12 mi (7,034.65 km) |
| Port Huron to Lucca | 4,392.00 mi (7,068.25 km) |
| Port Huron to Lucera | 4,685.30 mi (7,540.27 km) |
| Port Huron to Lugo | 4,425.95 mi (7,122.88 km) |
| Port Huron to Luino | 4,236.97 mi (6,818.74 km) |
| Port Huron to Lurate Caccivio | 4,255.91 mi (6,849.22 km) |
