| Altus to Mauldin (South Carolina) | 964.50 mi (1,552.21 km) |
| Altus to Maumee (Ohio) | 973.16 mi (1,566.15 km) |
| Altus to Maumelle (Arkansas) | 392.20 mi (631.18 km) |
| Altus to Mayagüez (Puerto Rico) | 2,277.01 mi (3,664.49 km) |
| Altus to Mayfield Heights (Ohio) | 1,077.57 mi (1,734.19 km) |
| Altus to Mays Chapel (Maryland) | 1,288.38 mi (2,073.45 km) |
| Altus to Maywood (California) | 1,076.85 mi (1,733.02 km) |
| Altus to Maywood (Illinois) | 796.06 mi (1,281.14 km) |
| Altus to McAlester (Oklahoma) | 201.30 mi (323.97 km) |
| Altus to McAllen (Texas) | 585.94 mi (942.98 km) |
| Altus to McCalla (Alabama) | 709.09 mi (1,141.16 km) |
| Altus to McComb (Mississippi) | 563.58 mi (906.99 km) |
| Altus to McDonough (Georgia) | 870.87 mi (1,401.53 km) |
| Altus to McFarland (California) | 1,126.26 mi (1,812.54 km) |
| Altus to McHenry (Illinois) | 796.50 mi (1,281.85 km) |
