| Watford to Lormont | 468.20 mi (753.49 km) |
| Watford to Loudeac | 262.11 mi (421.83 km) |
| Watford to Lourdes | 591.66 mi (952.19 km) |
| Watford to Louviers | 182.02 mi (292.94 km) |
| Watford to Louvres | 221.11 mi (355.84 km) |
| Watford to Luce | 237.07 mi (381.53 km) |
| Watford to Lucon | 360.99 mi (580.95 km) |
| Watford to Lunel | 589.88 mi (949.33 km) |
| Watford to Luneville | 371.54 mi (597.93 km) |
| Watford to Lyon | 471.82 mi (759.33 km) |
| Watford to Lys-les-Lannoy | 170.52 mi (274.43 km) |
| Watford to Macon | 438.78 mi (706.16 km) |
| Watford to Magny-le-Hongre | 239.34 mi (385.18 km) |
| Watford to Magny-les-Hameaux | 230.29 mi (370.62 km) |
| Watford to Mainvilliers | 236.06 mi (379.90 km) |
