| South Portland to Linslade | 3,156.11 mi (5,079.27 km) |
| South Portland to Lisburn | 2,894.77 mi (4,658.68 km) |
| South Portland to Liskeard | 3,031.74 mi (4,879.12 km) |
| South Portland to Litherland | 3,031.82 mi (4,879.24 km) |
| South Portland to Little Bookham | 3,182.19 mi (5,121.24 km) |
| South Portland to Little Hulton | 3,053.73 mi (4,914.50 km) |
| South Portland to Little Lever | 3,055.04 mi (4,916.61 km) |
| South Portland to Littleborough | 3,064.18 mi (4,931.33 km) |
| South Portland to Littlehampton | 3,186.83 mi (5,128.70 km) |
| South Portland to Littleover | 3,102.18 mi (4,992.48 km) |
| South Portland to Littleport | 3,183.84 mi (5,123.90 km) |
| South Portland to Liverpool | 3,033.31 mi (4,881.64 km) |
| South Portland to Liversedge | 3,079.03 mi (4,955.22 km) |
| South Portland to Livingston | 2,971.00 mi (4,781.37 km) |
| South Portland to Llanelli | 3,019.17 mi (4,858.88 km) |
