| McKeesport to Mattoon (Illinois) | 455.21 mi (732.59 km) |
| McKeesport to Mauldin (South Carolina) | 407.02 mi (655.03 km) |
| McKeesport to Maumee (Ohio) | 216.59 mi (348.56 km) |
| McKeesport to Maumelle (Arkansas) | 783.98 mi (1,261.70 km) |
| McKeesport to Mayagüez (Puerto Rico) | 1,706.40 mi (2,746.19 km) |
| McKeesport to Mayfield Heights (Ohio) | 116.85 mi (188.06 km) |
| McKeesport to Mays Chapel (Maryland) | 180.47 mi (290.44 km) |
| McKeesport to Maywood (California) | 2,139.00 mi (3,442.38 km) |
| McKeesport to Maywood (Illinois) | 429.63 mi (691.43 km) |
| McKeesport to McAlester (Oklahoma) | 946.75 mi (1,523.65 km) |
| McKeesport to McAllen (Texas) | 1,437.03 mi (2,312.67 km) |
| McKeesport to McCalla (Alabama) | 627.64 mi (1,010.10 km) |
| McKeesport to McComb (Mississippi) | 864.65 mi (1,391.51 km) |
| McKeesport to McDonough (Georgia) | 532.79 mi (857.44 km) |
| McKeesport to McFarland (California) | 2,150.86 mi (3,461.47 km) |
