| South San Francisco to Leigh | 5,192.52 mi (8,356.55 km) |
| South San Francisco to Leigh-on-Sea | 5,382.18 mi (8,661.79 km) |
| South San Francisco to Leighton Buzzard | 5,324.82 mi (8,569.46 km) |
| South San Francisco to Leith | 5,054.05 mi (8,133.70 km) |
| South San Francisco to Lemington | 5,143.26 mi (8,277.28 km) |
| South San Francisco to Leominster | 5,247.70 mi (8,445.36 km) |
| South San Francisco to Lerwick | 4,906.63 mi (7,896.46 km) |
| South San Francisco to Letchworth | 5,334.40 mi (8,584.89 km) |
| South San Francisco to Leven | 5,048.65 mi (8,125.01 km) |
| South San Francisco to Lewes | 5,397.07 mi (8,685.75 km) |
| South San Francisco to Leyland | 5,177.76 mi (8,332.80 km) |
| South San Francisco to Leyton | 5,361.22 mi (8,628.05 km) |
| South San Francisco to Lichfield | 5,252.51 mi (8,453.10 km) |
| South San Francisco to Lincoln | 5,262.91 mi (8,469.83 km) |
| South San Francisco to Linlithgow | 5,041.77 mi (8,113.94 km) |
