| Hereford to McKeesport (Pennsylvania) | 3,596.62 mi (5,788.20 km) |
| Hereford to McKinleyville (California) | 5,115.18 mi (8,232.09 km) |
| Hereford to McKinney (Texas) | 4,604.92 mi (7,410.90 km) |
| Hereford to McLean (Virginia) | 3,552.48 mi (5,717.17 km) |
| Hereford to McMinnville (Oregon) | 4,845.12 mi (7,797.47 km) |
| Hereford to McMinnville (Tennessee) | 4,051.99 mi (6,521.05 km) |
| Hereford to McNair (Virginia) | 3,560.98 mi (5,730.84 km) |
| Hereford to McPherson (Kansas) | 4,379.51 mi (7,048.14 km) |
| Hereford to Mead Valley (California) | 5,313.04 mi (8,550.51 km) |
| Hereford to Meadow Woods (Florida) | 4,230.22 mi (6,807.89 km) |
| Hereford to Meadowbrook (Virginia) | 3,632.79 mi (5,846.41 km) |
| Hereford to Meadville (Pennsylvania) | 3,550.48 mi (5,713.95 km) |
| Hereford to Mebane (North Carolina) | 3,769.00 mi (6,065.62 km) |
| Hereford to Mechanicsville (Virginia) | 3,618.96 mi (5,824.15 km) |
| Hereford to Medford (Massachusetts) | 3,153.52 mi (5,075.10 km) |
