| South Portland to Leigh | 3,050.51 mi (4,909.32 km) |
| South Portland to Leigh-on-Sea | 3,218.56 mi (5,179.76 km) |
| South Portland to Leighton Buzzard | 3,156.92 mi (5,080.57 km) |
| South Portland to Leith | 2,982.57 mi (4,799.97 km) |
| South Portland to Lemington | 3,054.31 mi (4,915.44 km) |
| South Portland to Leominster | 3,066.35 mi (4,934.82 km) |
| South Portland to Lerwick | 2,997.73 mi (4,824.37 km) |
| South Portland to Letchworth | 3,172.98 mi (5,106.43 km) |
| South Portland to Leven | 2,985.87 mi (4,805.29 km) |
| South Portland to Lewes | 3,208.00 mi (5,162.77 km) |
| South Portland to Leyland | 3,039.69 mi (4,891.90 km) |
| South Portland to Leyton | 3,190.84 mi (5,135.16 km) |
| South Portland to Lichfield | 3,093.79 mi (4,978.97 km) |
| South Portland to Lincoln | 3,133.90 mi (5,043.52 km) |
| South Portland to Linlithgow | 2,965.97 mi (4,773.27 km) |
