| Watford to Luzzara | 686.22 mi (1,104.36 km) |
| Watford to Luzzi | 1,161.82 mi (1,869.77 km) |
| Watford to Macerata | 864.28 mi (1,390.93 km) |
| Watford to Macerata Campania | 1,008.27 mi (1,622.66 km) |
| Watford to Macomer | 900.33 mi (1,448.94 km) |
| Watford to Maddaloni | 1,013.87 mi (1,631.66 km) |
| Watford to Magenta | 601.60 mi (968.18 km) |
| Watford to Magione | 829.84 mi (1,335.50 km) |
| Watford to Maglie | 1,189.48 mi (1,914.29 km) |
| Watford to Magnago | 593.07 mi (954.45 km) |
| Watford to Malalbergo | 727.62 mi (1,170.98 km) |
| Watford to Malnate | 584.40 mi (940.50 km) |
| Watford to Malo | 678.14 mi (1,091.37 km) |
| Watford to Mandello del Lario | 592.98 mi (954.30 km) |
| Watford to Manduria | 1,157.32 mi (1,862.53 km) |
