| Llantrisant to Lingolsheim | 531.50 mi (855.37 km) |
| Llantrisant to Lisieux | 229.25 mi (368.94 km) |
| Llantrisant to Livron-sur-Drome | 601.08 mi (967.34 km) |
| Llantrisant to Livry-Gargan | 317.80 mi (511.46 km) |
| Llantrisant to Lognes | 324.60 mi (522.39 km) |
| Llantrisant to Lomme | 282.86 mi (455.22 km) |
| Llantrisant to Longjumeau | 318.96 mi (513.31 km) |
| Llantrisant to Longuenesse | 249.53 mi (401.58 km) |
| Llantrisant to Longvic | 479.37 mi (771.47 km) |
| Llantrisant to Longwy | 424.52 mi (683.20 km) |
| Llantrisant to Lons | 584.94 mi (941.37 km) |
| Llantrisant to Lons-le-Saunier | 524.91 mi (844.77 km) |
| Llantrisant to Loos | 284.59 mi (458.01 km) |
| Llantrisant to Lorgues | 716.82 mi (1,153.62 km) |
| Llantrisant to Lorient | 262.00 mi (421.65 km) |
