| Hereford to Mauldin (South Carolina) | 3,954.78 mi (6,364.60 km) |
| Hereford to Maumee (Ohio) | 3,692.43 mi (5,942.39 km) |
| Hereford to Maumelle (Arkansas) | 4,355.30 mi (7,009.18 km) |
| Hereford to Mayagüez (Puerto Rico) | 4,152.49 mi (6,682.79 km) |
| Hereford to Mayfield Heights (Ohio) | 3,607.96 mi (5,806.46 km) |
| Hereford to Mays Chapel (Maryland) | 3,508.36 mi (5,646.17 km) |
| Hereford to Maywood (California) | 5,333.82 mi (8,583.95 km) |
| Hereford to Maywood (Illinois) | 3,839.82 mi (6,179.60 km) |
| Hereford to McAlester (Oklahoma) | 4,482.40 mi (7,213.72 km) |
| Hereford to McAllen (Texas) | 5,031.58 mi (8,097.54 km) |
| Hereford to McCalla (Alabama) | 4,218.77 mi (6,789.46 km) |
| Hereford to McComb (Mississippi) | 4,460.38 mi (7,178.29 km) |
| Hereford to McDonough (Georgia) | 4,095.16 mi (6,590.52 km) |
| Hereford to McFarland (California) | 5,271.65 mi (8,483.91 km) |
| Hereford to McHenry (Illinois) | 3,835.72 mi (6,172.99 km) |
