| Morgantown to Mattoon (Illinois) | 448.29 mi (721.45 km) |
| Morgantown to Mauldin (South Carolina) | 359.68 mi (578.85 km) |
| Morgantown to Maumee (Ohio) | 236.25 mi (380.20 km) |
| Morgantown to Maumelle (Arkansas) | 759.68 mi (1,222.59 km) |
| Morgantown to Mayagüez (Puerto Rico) | 1,667.27 mi (2,683.22 km) |
| Morgantown to Mayfield Heights (Ohio) | 152.02 mi (244.65 km) |
| Morgantown to Mays Chapel (Maryland) | 176.12 mi (283.44 km) |
| Morgantown to Maywood (California) | 2,134.53 mi (3,435.19 km) |
| Morgantown to Maywood (Illinois) | 441.19 mi (710.02 km) |
| Morgantown to McAlester (Oklahoma) | 927.43 mi (1,492.56 km) |
| Morgantown to McAllen (Texas) | 1,403.79 mi (2,259.18 km) |
| Morgantown to McCalla (Alabama) | 588.28 mi (946.75 km) |
| Morgantown to McComb (Mississippi) | 827.94 mi (1,332.44 km) |
| Morgantown to McDonough (Georgia) | 487.59 mi (784.70 km) |
| Morgantown to McFarland (California) | 2,149.51 mi (3,459.31 km) |
