| South Portland to Lilburn (Georgia) | 1,002.28 mi (1,613.01 km) |
| South Portland to Lima (Ohio) | 734.29 mi (1,181.73 km) |
| South Portland to Lincoln (California) | 2,627.79 mi (4,229.02 km) |
| South Portland to Lincoln (Illinois) | 1,008.04 mi (1,622.29 km) |
| South Portland to Lincoln (Nebraska) | 1,358.41 mi (2,186.14 km) |
| South Portland to Lincoln Park (Michigan) | 658.42 mi (1,059.63 km) |
| South Portland to Lincoln Park (New Jersey) | 277.59 mi (446.74 km) |
| South Portland to Lincolnia (Virginia) | 487.49 mi (784.54 km) |
| South Portland to Lincolnton (North Carolina) | 809.71 mi (1,303.11 km) |
| South Portland to Lincolnwood (Illinois) | 889.48 mi (1,431.48 km) |
| South Portland to Linda (California) | 2,633.06 mi (4,237.50 km) |
| South Portland to Linden (New Jersey) | 289.89 mi (466.54 km) |
| South Portland to Lindenhurst (Illinois) | 898.07 mi (1,445.31 km) |
| South Portland to Lindenhurst (New York) | 257.48 mi (414.38 km) |
| South Portland to Lindenwold (New Jersey) | 357.91 mi (575.99 km) |
