| Potters Bar to Mauldin (South Carolina) | 4,065.31 mi (6,542.49 km) |
| Potters Bar to Maumee (Ohio) | 3,801.19 mi (6,117.43 km) |
| Potters Bar to Maumelle (Arkansas) | 4,464.10 mi (7,184.28 km) |
| Potters Bar to Mayagüez (Puerto Rico) | 4,256.34 mi (6,849.92 km) |
| Potters Bar to Mayfield Heights (Ohio) | 3,717.21 mi (5,982.27 km) |
| Potters Bar to Mays Chapel (Maryland) | 3,618.82 mi (5,823.93 km) |
| Potters Bar to Maywood (California) | 5,431.79 mi (8,741.62 km) |
| Potters Bar to Maywood (Illinois) | 3,947.41 mi (6,352.75 km) |
| Potters Bar to McAlester (Oklahoma) | 4,590.26 mi (7,387.31 km) |
| Potters Bar to McAllen (Texas) | 5,141.07 mi (8,273.76 km) |
| Potters Bar to McCalla (Alabama) | 4,328.96 mi (6,966.79 km) |
| Potters Bar to McComb (Mississippi) | 4,570.40 mi (7,355.34 km) |
| Potters Bar to McDonough (Georgia) | 4,205.67 mi (6,768.38 km) |
| Potters Bar to McFarland (California) | 5,368.04 mi (8,639.02 km) |
| Potters Bar to McHenry (Illinois) | 3,942.98 mi (6,345.62 km) |
