| Philadelphia to Leigh | 3,402.19 mi (5,475.29 km) |
| Philadelphia to Leigh-on-Sea | 3,569.05 mi (5,743.83 km) |
| Philadelphia to Leighton Buzzard | 3,507.51 mi (5,644.79 km) |
| Philadelphia to Leith | 3,335.58 mi (5,368.09 km) |
| Philadelphia to Lemington | 3,406.99 mi (5,483.03 km) |
| Philadelphia to Leominster | 3,416.86 mi (5,498.90 km) |
| Philadelphia to Lerwick | 3,350.25 mi (5,391.71 km) |
| Philadelphia to Letchworth | 3,523.72 mi (5,670.88 km) |
| Philadelphia to Leven | 3,338.95 mi (5,373.52 km) |
| Philadelphia to Lewes | 3,557.66 mi (5,725.49 km) |
| Philadelphia to Leyland | 3,391.49 mi (5,458.08 km) |
| Philadelphia to Leyton | 3,541.22 mi (5,699.05 km) |
| Philadelphia to Lichfield | 3,444.88 mi (5,544.00 km) |
| Philadelphia to Lincoln | 3,485.63 mi (5,609.59 km) |
| Philadelphia to Linlithgow | 3,318.96 mi (5,341.35 km) |
