| Thornton Heath to Linslade | 43.65 mi (70.25 km) |
| Thornton Heath to Lisburn | 327.18 mi (526.55 km) |
| Thornton Heath to Liskeard | 200.65 mi (322.91 km) |
| Thornton Heath to Litherland | 187.93 mi (302.44 km) |
| Thornton Heath to Little Bookham | 14.69 mi (23.64 km) |
| Thornton Heath to Little Hulton | 176.35 mi (283.80 km) |
| Thornton Heath to Little Lever | 177.12 mi (285.04 km) |
| Thornton Heath to Littleborough | 176.14 mi (283.46 km) |
| Thornton Heath to Littlehampton | 44.92 mi (72.30 km) |
| Thornton Heath to Littleover | 119.70 mi (192.63 km) |
| Thornton Heath to Littleport | 75.10 mi (120.86 km) |
| Thornton Heath to Liverpool | 184.38 mi (296.73 km) |
| Thornton Heath to Liversedge | 172.65 mi (277.85 km) |
| Thornton Heath to Livingston | 339.64 mi (546.60 km) |
| Thornton Heath to Llanelli | 175.30 mi (282.12 km) |
