| South Portland to Live Oak (Texas) | 1,821.40 mi (2,931.27 km) |
| South Portland to Livermore (California) | 2,685.29 mi (4,321.56 km) |
| South Portland to Livingston (California) | 2,643.05 mi (4,253.58 km) |
| South Portland to Livonia (Michigan) | 665.76 mi (1,071.43 km) |
| South Portland to Lochearn (Maryland) | 445.61 mi (717.14 km) |
| South Portland to Lockhart (Florida) | 1,206.40 mi (1,941.51 km) |
| South Portland to Lockhart (Texas) | 1,776.79 mi (2,859.46 km) |
| South Portland to Lockport (Illinois) | 911.22 mi (1,466.47 km) |
| South Portland to Lockport (New York) | 423.01 mi (680.78 km) |
| South Portland to Lodi (California) | 2,649.43 mi (4,263.84 km) |
| South Portland to Lodi (New Jersey) | 271.56 mi (437.03 km) |
| South Portland to Logan (Utah) | 2,092.38 mi (3,367.36 km) |
| South Portland to Logansport (Indiana) | 844.61 mi (1,359.27 km) |
| South Portland to Loganville (Georgia) | 995.51 mi (1,602.12 km) |
| South Portland to Loma Linda (California) | 2,576.20 mi (4,146.00 km) |
