| Watford to McKeesport (Pennsylvania) | 3,699.07 mi (5,953.08 km) |
| Watford to McKinleyville (California) | 5,201.37 mi (8,370.80 km) |
| Watford to McKinney (Texas) | 4,706.23 mi (7,573.94 km) |
| Watford to McLean (Virginia) | 3,655.25 mi (5,882.56 km) |
| Watford to McMinnville (Oregon) | 4,929.43 mi (7,933.15 km) |
| Watford to McMinnville (Tennessee) | 4,154.49 mi (6,686.01 km) |
| Watford to McNair (Virginia) | 3,663.74 mi (5,896.22 km) |
| Watford to McPherson (Kansas) | 4,479.14 mi (7,208.48 km) |
| Watford to Mead Valley (California) | 5,406.71 mi (8,701.26 km) |
| Watford to Meadow Woods (Florida) | 4,332.73 mi (6,972.85 km) |
| Watford to Meadowbrook (Virginia) | 3,735.60 mi (6,011.87 km) |
| Watford to Meadville (Pennsylvania) | 3,652.69 mi (5,878.43 km) |
| Watford to Mebane (North Carolina) | 3,871.81 mi (6,231.08 km) |
| Watford to Mechanicsville (Virginia) | 3,721.77 mi (5,989.61 km) |
| Watford to Medford (Massachusetts) | 3,256.30 mi (5,240.51 km) |
