| Forney to Mauldin (South Carolina) | 824.14 mi (1,326.33 km) |
| Forney to Maumee (Ohio) | 929.73 mi (1,496.26 km) |
| Forney to Maumelle (Arkansas) | 274.50 mi (441.76 km) |
| Forney to Mayagüez (Puerto Rico) | 2,075.79 mi (3,340.66 km) |
| Forney to Mayfield Heights (Ohio) | 1,022.30 mi (1,645.23 km) |
| Forney to Mays Chapel (Maryland) | 1,195.06 mi (1,923.26 km) |
| Forney to Maywood (California) | 1,254.80 mi (2,019.40 km) |
| Forney to Maywood (Illinois) | 787.90 mi (1,268.00 km) |
| Forney to McAlester (Oklahoma) | 155.70 mi (250.58 km) |
| Forney to McAllen (Texas) | 463.12 mi (745.32 km) |
| Forney to McCalla (Alabama) | 547.04 mi (880.38 km) |
| Forney to McComb (Mississippi) | 365.43 mi (588.10 km) |
| Forney to McDonough (Georgia) | 713.34 mi (1,148.01 km) |
| Forney to McFarland (California) | 1,314.73 mi (2,115.86 km) |
| Forney to McHenry (Illinois) | 798.68 mi (1,285.35 km) |
