| Pittsburgh to Mendota (California) | 2,177.39 mi (3,504.17 km) |
| Pittsburgh to Mendota Heights (Minnesota) | 734.74 mi (1,182.45 km) |
| Pittsburgh to Menifee (California) | 2,087.49 mi (3,359.49 km) |
| Pittsburgh to Menlo Park (California) | 2,254.68 mi (3,628.55 km) |
| Pittsburgh to Menomonee Falls (Wisconsin) | 459.22 mi (739.05 km) |
| Pittsburgh to Menomonie (Wisconsin) | 678.80 mi (1,092.42 km) |
| Pittsburgh to Mentor (Ohio) | 111.68 mi (179.73 km) |
| Pittsburgh to Mequon (Wisconsin) | 454.96 mi (732.18 km) |
| Pittsburgh to Merced (California) | 2,170.31 mi (3,492.78 km) |
| Pittsburgh to Mercedes (Texas) | 1,425.44 mi (2,294.02 km) |
| Pittsburgh to Mercer Island (Washington) | 2,129.05 mi (3,426.38 km) |
| Pittsburgh to Mercerville (New Jersey) | 278.63 mi (448.41 km) |
| Pittsburgh to Meriden (Connecticut) | 382.03 mi (614.82 km) |
| Pittsburgh to Meridian (Idaho) | 1,867.04 mi (3,004.71 km) |
| Pittsburgh to Meridian (Mississippi) | 737.09 mi (1,186.24 km) |
