| Mountain Ash to Laindon | 163.02 mi (262.36 km) |
| Mountain Ash to Lambeth | 140.57 mi (226.23 km) |
| Mountain Ash to Lanark | 276.40 mi (444.83 km) |
| Mountain Ash to Lancaster | 165.34 mi (266.09 km) |
| Mountain Ash to Lancing | 144.74 mi (232.94 km) |
| Mountain Ash to Larbert | 300.52 mi (483.64 km) |
| Mountain Ash to Largs | 290.66 mi (467.77 km) |
| Mountain Ash to Larkhall | 281.26 mi (452.64 km) |
| Mountain Ash to Launceston | 83.74 mi (134.77 km) |
| Mountain Ash to Leagrave | 125.43 mi (201.85 km) |
| Mountain Ash to Leatherhead | 133.91 mi (215.50 km) |
| Mountain Ash to Ledbury | 47.50 mi (76.45 km) |
| Mountain Ash to Leeds | 165.18 mi (265.84 km) |
| Mountain Ash to Leek | 113.94 mi (183.37 km) |
| Mountain Ash to Leicester | 115.79 mi (186.35 km) |
