| McKeesport to Marrero (Louisiana) | 925.20 mi (1,488.96 km) |
| McKeesport to Marshall (Minnesota) | 860.00 mi (1,384.04 km) |
| McKeesport to Marshall (Missouri) | 714.12 mi (1,149.27 km) |
| McKeesport to Marshall (Texas) | 968.08 mi (1,557.98 km) |
| McKeesport to Marshalltown (Iowa) | 688.50 mi (1,108.03 km) |
| McKeesport to Marshfield (Wisconsin) | 604.27 mi (972.49 km) |
| McKeesport to Martha Lake (Washington) | 2,137.67 mi (3,440.25 km) |
| McKeesport to Martin (Tennessee) | 560.64 mi (902.25 km) |
| McKeesport to Martinez (California) | 2,248.60 mi (3,618.77 km) |
| McKeesport to Martinez (Georgia) | 487.40 mi (784.39 km) |
| McKeesport to Martinsburg (West Virginia) | 116.25 mi (187.08 km) |
| McKeesport to Martinsville (Indiana) | 355.03 mi (571.36 km) |
| McKeesport to Martinsville (New Jersey) | 277.48 mi (446.56 km) |
| McKeesport to Martinsville (Virginia) | 252.83 mi (406.89 km) |
| McKeesport to Maryland City (Maryland) | 182.81 mi (294.20 km) |
