| Watford to Marysville (California) | 5,234.25 mi (8,423.72 km) |
| Watford to Marysville (Ohio) | 3,843.64 mi (6,185.74 km) |
| Watford to Marysville (Washington) | 4,737.51 mi (7,624.29 km) |
| Watford to Maryville (Missouri) | 4,277.71 mi (6,884.30 km) |
| Watford to Maryville (Tennessee) | 4,079.18 mi (6,564.81 km) |
| Watford to Mason (Ohio) | 3,921.12 mi (6,310.43 km) |
| Watford to Mason City (Iowa) | 4,080.24 mi (6,566.52 km) |
| Watford to Massapequa (New York) | 3,427.18 mi (5,515.51 km) |
| Watford to Massapequa Park (New York) | 3,425.71 mi (5,513.15 km) |
| Watford to Massillon (Ohio) | 3,745.93 mi (6,028.49 km) |
| Watford to Mastic (New York) | 3,395.60 mi (5,464.69 km) |
| Watford to Mastic Beach (New York) | 3,397.01 mi (5,466.96 km) |
| Watford to Matteson (Illinois) | 3,954.28 mi (6,363.79 km) |
| Watford to Matthews (North Carolina) | 3,976.32 mi (6,399.26 km) |
| Watford to Mattoon (Illinois) | 4,073.81 mi (6,556.16 km) |
