| South Portland to Lastra a Signa | 3,886.58 mi (6,254.84 km) |
| South Portland to Laterza | 4,248.89 mi (6,837.92 km) |
| South Portland to Latiano | 4,292.30 mi (6,907.80 km) |
| South Portland to Latina | 4,047.97 mi (6,514.58 km) |
| South Portland to Latisana | 3,901.11 mi (6,278.23 km) |
| South Portland to Lauria Inferiore | 4,229.85 mi (6,807.29 km) |
| South Portland to Lavagna | 3,791.60 mi (6,101.99 km) |
| South Portland to Lavello | 4,189.49 mi (6,742.33 km) |
| South Portland to Laveno-Mombello | 3,708.10 mi (5,967.62 km) |
| South Portland to Lavis | 3,805.73 mi (6,124.74 km) |
| South Portland to Lecce | 4,318.94 mi (6,950.66 km) |
| South Portland to Lecco | 3,743.04 mi (6,023.83 km) |
| South Portland to Legnago | 3,845.96 mi (6,189.47 km) |
| South Portland to Legnano | 3,731.59 mi (6,005.42 km) |
| South Portland to Legnaro | 3,868.13 mi (6,225.15 km) |
