| Watertown Town to McHenry (Illinois) | 872.44 mi (1,404.06 km) |
| Watertown Town to McKeesport (Pennsylvania) | 470.56 mi (757.29 km) |
| Watertown Town to McKinleyville (California) | 2,687.93 mi (4,325.81 km) |
| Watertown Town to McKinney (Texas) | 1,521.46 mi (2,448.55 km) |
| Watertown Town to McLean (Virginia) | 394.18 mi (634.37 km) |
| Watertown Town to McMinnville (Oregon) | 2,556.53 mi (4,114.34 km) |
| Watertown Town to McMinnville (Tennessee) | 907.89 mi (1,461.12 km) |
| Watertown Town to McNair (Virginia) | 403.00 mi (648.57 km) |
| Watertown Town to McPherson (Kansas) | 1,415.14 mi (2,277.44 km) |
| Watertown Town to Mead Valley (California) | 2,542.83 mi (4,092.29 km) |
| Watertown Town to Meadow Woods (Florida) | 1,122.31 mi (1,806.18 km) |
| Watertown Town to Meadowbrook (Virginia) | 477.10 mi (767.83 km) |
| Watertown Town to Meadville (Pennsylvania) | 462.96 mi (745.06 km) |
| Watertown Town to Mebane (North Carolina) | 612.90 mi (986.37 km) |
| Watertown Town to Mechanicsville (Virginia) | 462.76 mi (744.74 km) |
