| Cities | Distance |
| Hounslow to Ittiri | 863.23 mi (1,389.24 km) |
| Hounslow to Ivrea | 560.27 mi (901.66 km) |
| Hounslow to L'Aquila | 902.51 mi (1,452.45 km) |
| Hounslow to La Loggia | 581.85 mi (936.39 km) |
| Hounslow to La Maddalena | 846.28 mi (1,361.96 km) |
| Hounslow to La Spezia | 693.69 mi (1,116.38 km) |
| Hounslow to Lacchiarella | 607.87 mi (978.27 km) |
| Hounslow to Ladispoli | 880.68 mi (1,417.32 km) |
| Hounslow to Lainate | 592.09 mi (952.87 km) |
| Hounslow to Laives | 634.32 mi (1,020.84 km) |
| Hounslow to Lana | 619.05 mi (996.27 km) |
| Hounslow to Lanciano | 941.95 mi (1,515.92 km) |
| Hounslow to Langhirano | 681.13 mi (1,096.17 km) |
| Hounslow to Lanuvio | 915.21 mi (1,472.89 km) |
| Hounslow to Lariano | 916.74 mi (1,475.35 km) |