| Watford to Moncalieri | 590.19 mi (949.81 km) |
| Watford to Mondolfo | 829.59 mi (1,335.10 km) |
| Watford to Mondovi | 628.84 mi (1,012.01 km) |
| Watford to Monesiglio | 632.52 mi (1,017.94 km) |
| Watford to Monfalcone | 750.89 mi (1,208.44 km) |
| Watford to Monopoli | 1,117.44 mi (1,798.34 km) |
| Watford to Monreale | 1,148.53 mi (1,848.39 km) |
| Watford to Monselice | 710.31 mi (1,143.13 km) |
| Watford to Monserrato | 972.11 mi (1,564.46 km) |
| Watford to Monsummano | 747.24 mi (1,202.56 km) |
| Watford to Montagnana | 700.24 mi (1,126.93 km) |
| Watford to Montale | 750.18 mi (1,207.29 km) |
| Watford to Montalto di Castro | 853.85 mi (1,374.15 km) |
| Watford to Montalto Uffugo | 1,160.19 mi (1,867.14 km) |
| Watford to Monte Compatri | 919.03 mi (1,479.04 km) |
