| Watertown to Melzo | 3,977.42 mi (6,401.03 km) |
| Watertown to Mendicino | 4,507.00 mi (7,253.31 km) |
| Watertown to Menfi | 4,437.35 mi (7,141.22 km) |
| Watertown to Mentana | 4,244.61 mi (6,831.04 km) |
| Watertown to Merano | 4,005.58 mi (6,446.36 km) |
| Watertown to Merate | 3,970.83 mi (6,390.43 km) |
| Watertown to Mercato San Severino | 4,383.42 mi (7,054.43 km) |
| Watertown to Mercogliano | 4,376.68 mi (7,043.59 km) |
| Watertown to Mesagne | 4,519.17 mi (7,272.90 km) |
| Watertown to Messina | 4,524.85 mi (7,282.04 km) |
| Watertown to Mestre | 4,093.03 mi (6,587.09 km) |
| Watertown to Mestrino | 4,075.42 mi (6,558.75 km) |
| Watertown to Milan | 3,969.28 mi (6,387.94 km) |
| Watertown to Milazzo | 4,510.23 mi (7,258.52 km) |
| Watertown to Minerbio | 4,094.76 mi (6,589.88 km) |
