| Watertown to Montevarchi | 4,140.39 mi (6,663.31 km) |
| Watertown to Monticello Conte Otto | 4,062.33 mi (6,537.69 km) |
| Watertown to Montichiari | 4,020.54 mi (6,470.43 km) |
| Watertown to Montignoso | 4,063.37 mi (6,539.36 km) |
| Watertown to Montopoli in Val d'Arno | 4,100.93 mi (6,599.81 km) |
| Watertown to Monza | 3,968.49 mi (6,386.67 km) |
| Watertown to Morbegno | 3,960.59 mi (6,373.96 km) |
| Watertown to Mori | 4,028.65 mi (6,483.48 km) |
| Watertown to Morlupo | 4,233.48 mi (6,813.13 km) |
| Watertown to Morrovalle | 4,232.08 mi (6,810.87 km) |
| Watertown to Mortara | 3,958.97 mi (6,371.35 km) |
| Watertown to Mosciano Sant'Angelo | 4,266.96 mi (6,867.01 km) |
| Watertown to Motta di Livenza | 4,097.07 mi (6,593.60 km) |
| Watertown to Motta Sant'Anastasia | 4,528.85 mi (7,288.48 km) |
| Watertown to Mottola | 4,484.52 mi (7,217.13 km) |
