| Pittsburgh to Mexborough | 3,620.34 mi (5,826.37 km) |
| Pittsburgh to Mickleover | 3,623.82 mi (5,831.97 km) |
| Pittsburgh to Middlesbrough | 3,597.64 mi (5,789.84 km) |
| Pittsburgh to Middleton | 3,584.02 mi (5,767.93 km) |
| Pittsburgh to Middlewich | 3,582.22 mi (5,765.03 km) |
| Pittsburgh to Midsomer Norton | 3,625.27 mi (5,834.31 km) |
| Pittsburgh to Mildenhall | 3,718.27 mi (5,983.97 km) |
| Pittsburgh to Milford Haven | 3,511.52 mi (5,651.25 km) |
| Pittsburgh to Mill Hill | 3,707.44 mi (5,966.55 km) |
| Pittsburgh to Milngavie | 3,453.90 mi (5,558.52 km) |
| Pittsburgh to Milnrow | 3,585.73 mi (5,770.67 km) |
| Pittsburgh to Milton | 3,597.24 mi (5,789.20 km) |
| Pittsburgh to Milton Keynes | 3,675.82 mi (5,915.66 km) |
| Pittsburgh to Minehead | 3,586.91 mi (5,772.57 km) |
| Pittsburgh to Minster | 3,754.01 mi (6,041.49 km) |
