| Port Huron to Lastra a Signa | 4,419.26 mi (7,112.11 km) |
| Port Huron to Laterza | 4,782.37 mi (7,696.47 km) |
| Port Huron to Latiano | 4,823.80 mi (7,763.16 km) |
| Port Huron to Latina | 4,587.48 mi (7,382.84 km) |
| Port Huron to Latisana | 4,418.15 mi (7,110.32 km) |
| Port Huron to Lauria Inferiore | 4,768.49 mi (7,674.15 km) |
| Port Huron to Lavagna | 4,325.62 mi (6,961.42 km) |
| Port Huron to Lavello | 4,723.65 mi (7,601.98 km) |
| Port Huron to Laveno-Mombello | 4,235.25 mi (6,815.98 km) |
| Port Huron to Lavis | 4,325.75 mi (6,961.62 km) |
| Port Huron to Lecce | 4,850.07 mi (7,805.43 km) |
| Port Huron to Lecco | 4,268.70 mi (6,869.81 km) |
| Port Huron to Legnago | 4,370.66 mi (7,033.90 km) |
| Port Huron to Legnano | 4,259.87 mi (6,855.60 km) |
| Port Huron to Legnaro | 4,390.39 mi (7,065.65 km) |
