| Pittsburgh to Mechernich | 4,008.62 mi (6,451.25 km) |
| Pittsburgh to Meckenbeuren | 4,218.88 mi (6,789.64 km) |
| Pittsburgh to Meckenheim | 4,021.98 mi (6,472.75 km) |
| Pittsburgh to Meerane | 4,224.77 mi (6,799.11 km) |
| Pittsburgh to Meerbusch | 3,988.92 mi (6,419.55 km) |
| Pittsburgh to Meine | 4,101.25 mi (6,600.33 km) |
| Pittsburgh to Meinerzhagen | 4,031.03 mi (6,487.31 km) |
| Pittsburgh to Meiningen | 4,156.77 mi (6,689.67 km) |
| Pittsburgh to Meissen | 4,252.30 mi (6,843.41 km) |
| Pittsburgh to Meitingen | 4,241.22 mi (6,825.59 km) |
| Pittsburgh to Melle | 4,024.40 mi (6,476.64 km) |
| Pittsburgh to Melsungen | 4,104.38 mi (6,605.36 km) |
| Pittsburgh to Memmelsdorf | 4,198.17 mi (6,756.30 km) |
| Pittsburgh to Memmingen | 4,233.96 mi (6,813.90 km) |
| Pittsburgh to Mendig | 4,040.40 mi (6,502.39 km) |
