| McKeesport to Mendota Heights (Minnesota) | 744.11 mi (1,197.54 km) |
| McKeesport to Menifee (California) | 2,094.36 mi (3,370.55 km) |
| McKeesport to Menlo Park (California) | 2,262.59 mi (3,641.29 km) |
| McKeesport to Menomonee Falls (Wisconsin) | 468.50 mi (753.97 km) |
| McKeesport to Menomonie (Wisconsin) | 688.25 mi (1,107.63 km) |
| McKeesport to Mentor (Ohio) | 121.32 mi (195.25 km) |
| McKeesport to Mequon (Wisconsin) | 464.28 mi (747.18 km) |
| McKeesport to Merced (California) | 2,178.12 mi (3,505.34 km) |
| McKeesport to Mercedes (Texas) | 1,426.74 mi (2,296.12 km) |
| McKeesport to Mercer Island (Washington) | 2,138.36 mi (3,441.37 km) |
| McKeesport to Mercerville (New Jersey) | 271.61 mi (437.11 km) |
| McKeesport to Meriden (Connecticut) | 376.97 mi (606.67 km) |
| McKeesport to Meridian (Idaho) | 1,875.82 mi (3,018.85 km) |
| McKeesport to Meridian (Mississippi) | 737.09 mi (1,186.23 km) |
| McKeesport to Merriam (Kansas) | 793.94 mi (1,277.73 km) |
