| South Portland to Lizzano | 4,286.37 mi (6,898.24 km) |
| South Portland to Locate di Triulzi | 3,751.84 mi (6,038.00 km) |
| South Portland to Locorotondo | 4,266.73 mi (6,866.63 km) |
| South Portland to Locri | 4,319.91 mi (6,952.22 km) |
| South Portland to Lodi | 3,765.00 mi (6,059.18 km) |
| South Portland to Lomazzo | 3,732.46 mi (6,006.81 km) |
| South Portland to Lonate Pozzolo | 3,723.72 mi (5,992.75 km) |
| South Portland to Lonigo | 3,842.44 mi (6,183.81 km) |
| South Portland to Loreto | 4,005.62 mi (6,446.42 km) |
| South Portland to Loria | 3,850.71 mi (6,197.12 km) |
| South Portland to Lucca | 3,858.28 mi (6,209.30 km) |
| South Portland to Lucera | 4,152.04 mi (6,682.07 km) |
| South Portland to Lugo | 3,898.59 mi (6,274.18 km) |
| South Portland to Luino | 3,710.62 mi (5,971.67 km) |
| South Portland to Lurate Caccivio | 3,728.85 mi (6,001.00 km) |
