| Pittsburgh to Lubbeek | 3,928.95 mi (6,323.03 km) |
| Pittsburgh to Lummen | 3,940.08 mi (6,340.95 km) |
| Pittsburgh to Maaseik | 3,959.53 mi (6,372.25 km) |
| Pittsburgh to Machelen | 3,912.13 mi (6,295.96 km) |
| Pittsburgh to Maldegem | 3,864.18 mi (6,218.79 km) |
| Pittsburgh to Malmedy | 3,989.27 mi (6,420.11 km) |
| Pittsburgh to Manage | 3,916.02 mi (6,302.23 km) |
| Pittsburgh to Marche-en-Famenne | 3,968.22 mi (6,386.23 km) |
| Pittsburgh to Mariakerke | 3,877.38 mi (6,240.04 km) |
| Pittsburgh to Mechelen | 3,910.45 mi (6,293.26 km) |
| Pittsburgh to Mechelen-aan-de-Maas | 3,959.41 mi (6,372.06 km) |
| Pittsburgh to Meerhout | 3,931.08 mi (6,326.46 km) |
| Pittsburgh to Meise | 3,907.38 mi (6,288.31 km) |
| Pittsburgh to Melle | 3,884.36 mi (6,251.28 km) |
| Pittsburgh to Melsele | 3,897.02 mi (6,271.66 km) |
