| Security-Widefield to Leigh | 4,567.28 mi (7,350.33 km) |
| Security-Widefield to Leigh-on-Sea | 4,753.78 mi (7,650.47 km) |
| Security-Widefield to Leighton Buzzard | 4,693.00 mi (7,552.66 km) |
| Security-Widefield to Leith | 4,452.36 mi (7,165.39 km) |
| Security-Widefield to Lemington | 4,537.72 mi (7,302.75 km) |
| Security-Widefield to Leominster | 4,608.15 mi (7,416.10 km) |
| Security-Widefield to Lerwick | 4,362.44 mi (7,020.67 km) |
| Security-Widefield to Letchworth | 4,705.53 mi (7,572.82 km) |
| Security-Widefield to Leven | 4,450.20 mi (7,161.91 km) |
| Security-Widefield to Lewes | 4,758.55 mi (7,658.15 km) |
| Security-Widefield to Leyland | 4,553.65 mi (7,328.40 km) |
| Security-Widefield to Leyton | 4,729.43 mi (7,611.29 km) |
| Security-Widefield to Lichfield | 4,622.33 mi (7,438.92 km) |
| Security-Widefield to Lincoln | 4,645.12 mi (7,475.59 km) |
| Security-Widefield to Linlithgow | 4,437.95 mi (7,142.19 km) |
