| Watford to Mozzate | 592.51 mi (953.55 km) |
| Watford to Muggia | 768.26 mi (1,236.40 km) |
| Watford to Muggio | 606.02 mi (975.29 km) |
| Watford to Mugnano di Napoli | 1,014.96 mi (1,633.42 km) |
| Watford to Musile di Piave | 722.34 mi (1,162.50 km) |
| Watford to Mussomeli | 1,191.30 mi (1,917.21 km) |
| Watford to Naples | 1,020.39 mi (1,642.17 km) |
| Watford to Nardo | 1,182.72 mi (1,903.40 km) |
| Watford to Narni | 873.70 mi (1,406.08 km) |
| Watford to Nembro | 616.45 mi (992.09 km) |
| Watford to Nepi | 882.97 mi (1,421.00 km) |
| Watford to Nerviano | 600.41 mi (966.26 km) |
| Watford to Nettuno | 935.59 mi (1,505.69 km) |
| Watford to Nichelino | 589.37 mi (948.50 km) |
| Watford to Nicosia | 1,199.70 mi (1,930.74 km) |
