| McKeesport to Morristown (New Jersey) | 283.38 mi (456.05 km) |
| McKeesport to Morristown (Tennessee) | 341.79 mi (550.06 km) |
| McKeesport to Morrisville (North Carolina) | 316.06 mi (508.65 km) |
| McKeesport to Morro Bay (California) | 2,242.90 mi (3,609.59 km) |
| McKeesport to Morton (Illinois) | 505.84 mi (814.07 km) |
| McKeesport to Morton Grove (Illinois) | 429.28 mi (690.87 km) |
| McKeesport to Moscow (Idaho) | 1,893.80 mi (3,047.78 km) |
| McKeesport to Moses Lake (Washington) | 2,000.95 mi (3,220.22 km) |
| McKeesport to Moss Bluff (Louisiana) | 1,021.68 mi (1,644.24 km) |
| McKeesport to Moss Point (Mississippi) | 840.99 mi (1,353.43 km) |
| McKeesport to Moultrie (Georgia) | 671.38 mi (1,080.49 km) |
| McKeesport to Mounds View (Minnesota) | 752.73 mi (1,211.40 km) |
| McKeesport to Mount Airy (North Carolina) | 268.14 mi (431.53 km) |
| McKeesport to Mount Clemens (Michigan) | 221.41 mi (356.32 km) |
| McKeesport to Mount Dora (Florida) | 802.91 mi (1,292.16 km) |
