| Merthyr Tudful to Lingolsheim | 536.18 mi (862.91 km) |
| Merthyr Tudful to Lisieux | 239.31 mi (385.14 km) |
| Merthyr Tudful to Livron-sur-Drome | 611.53 mi (984.17 km) |
| Merthyr Tudful to Livry-Gargan | 325.57 mi (523.96 km) |
| Merthyr Tudful to Lognes | 332.43 mi (535.00 km) |
| Merthyr Tudful to Lomme | 285.76 mi (459.89 km) |
| Merthyr Tudful to Longjumeau | 327.39 mi (526.88 km) |
| Merthyr Tudful to Longuenesse | 252.60 mi (406.52 km) |
| Merthyr Tudful to Longvic | 487.48 mi (784.52 km) |
| Merthyr Tudful to Longwy | 428.60 mi (689.76 km) |
| Merthyr Tudful to Lons | 598.41 mi (963.05 km) |
| Merthyr Tudful to Lons-le-Saunier | 533.36 mi (858.36 km) |
| Merthyr Tudful to Loos | 287.58 mi (462.81 km) |
| Merthyr Tudful to Lorgues | 727.14 mi (1,170.22 km) |
| Merthyr Tudful to Lorient | 275.89 mi (444.00 km) |
