| Pittsburgh to Massarosa | 4,385.93 mi (7,058.47 km) |
| Pittsburgh to Matelica | 4,521.56 mi (7,276.75 km) |
| Pittsburgh to Matera | 4,775.01 mi (7,684.64 km) |
| Pittsburgh to Matino | 4,865.96 mi (7,831.01 km) |
| Pittsburgh to Mazzarino | 4,807.16 mi (7,736.38 km) |
| Pittsburgh to Meda | 4,272.78 mi (6,876.38 km) |
| Pittsburgh to Medesano | 4,345.62 mi (6,993.60 km) |
| Pittsburgh to Medicina | 4,418.07 mi (7,110.20 km) |
| Pittsburgh to Meldola | 4,448.41 mi (7,159.03 km) |
| Pittsburgh to Melegnano | 4,290.12 mi (6,904.27 km) |
| Pittsburgh to Melendugno | 4,864.72 mi (7,829.01 km) |
| Pittsburgh to Melfi | 4,721.24 mi (7,598.11 km) |
| Pittsburgh to Melilli | 4,852.64 mi (7,809.58 km) |
| Pittsburgh to Melito di Napoli | 4,664.06 mi (7,506.08 km) |
| Pittsburgh to Melito di Porto Salvo | 4,851.99 mi (7,808.52 km) |
