| Watford to Les Sorinieres | 315.52 mi (507.77 km) |
| Watford to Lescar | 575.55 mi (926.25 km) |
| Watford to Lesquin | 168.93 mi (271.87 km) |
| Watford to Levallois-Perret | 224.47 mi (361.24 km) |
| Watford to Lezignan-Corbieres | 602.30 mi (969.31 km) |
| Watford to Libourne | 465.40 mi (748.99 km) |
| Watford to Lieusaint | 246.16 mi (396.15 km) |
| Watford to Lievin | 162.05 mi (260.79 km) |
| Watford to Lille | 165.67 mi (266.63 km) |
| Watford to Lillebonne | 153.03 mi (246.28 km) |
| Watford to Lillers | 145.82 mi (234.68 km) |
| Watford to Limay | 206.53 mi (332.37 km) |
| Watford to Limeil-Brevannes | 237.98 mi (382.99 km) |
| Watford to Limoges | 409.11 mi (658.40 km) |
| Watford to Limoux | 606.44 mi (975.96 km) |
