| Potters Bar to Marysville (California) | 5,238.32 mi (8,430.25 km) |
| Potters Bar to Marysville (Ohio) | 3,850.82 mi (6,197.30 km) |
| Potters Bar to Marysville (Washington) | 4,740.71 mi (7,629.44 km) |
| Potters Bar to Maryville (Missouri) | 4,284.04 mi (6,894.49 km) |
| Potters Bar to Maryville (Tennessee) | 4,086.74 mi (6,576.97 km) |
| Potters Bar to Mason (Ohio) | 3,928.32 mi (6,322.02 km) |
| Potters Bar to Mason City (Iowa) | 4,086.41 mi (6,576.45 km) |
| Potters Bar to Massapequa (New York) | 3,434.96 mi (5,528.03 km) |
| Potters Bar to Massapequa Park (New York) | 3,433.49 mi (5,525.66 km) |
| Potters Bar to Massillon (Ohio) | 3,753.18 mi (6,040.16 km) |
| Potters Bar to Mastic (New York) | 3,403.40 mi (5,477.24 km) |
| Potters Bar to Mastic Beach (New York) | 3,404.81 mi (5,479.52 km) |
| Potters Bar to Matteson (Illinois) | 3,961.02 mi (6,374.64 km) |
| Potters Bar to Matthews (North Carolina) | 3,984.14 mi (6,411.86 km) |
| Potters Bar to Mattoon (Illinois) | 4,080.71 mi (6,567.27 km) |
