| Watford to Lingolsheim | 416.75 mi (670.69 km) |
| Watford to Lisieux | 175.26 mi (282.05 km) |
| Watford to Livron-sur-Drome | 532.85 mi (857.55 km) |
| Watford to Livry-Gargan | 229.05 mi (368.62 km) |
| Watford to Lognes | 236.14 mi (380.02 km) |
| Watford to Lomme | 162.36 mi (261.29 km) |
| Watford to Longjumeau | 236.67 mi (380.89 km) |
| Watford to Longuenesse | 130.49 mi (210.01 km) |
| Watford to Longvic | 388.53 mi (625.28 km) |
| Watford to Longwy | 307.59 mi (495.02 km) |
| Watford to Lons | 576.24 mi (927.37 km) |
| Watford to Lons-le-Saunier | 436.36 mi (702.25 km) |
| Watford to Loos | 164.43 mi (264.63 km) |
| Watford to Lorgues | 645.26 mi (1,038.45 km) |
| Watford to Lorient | 300.51 mi (483.62 km) |
