| Pittsburgh to Morris (Illinois) | 445.98 mi (717.73 km) |
| Pittsburgh to Morristown (New Jersey) | 289.41 mi (465.76 km) |
| Pittsburgh to Morristown (Tennessee) | 343.59 mi (552.95 km) |
| Pittsburgh to Morrisville (North Carolina) | 324.01 mi (521.45 km) |
| Pittsburgh to Morro Bay (California) | 2,235.43 mi (3,597.58 km) |
| Pittsburgh to Morton (Illinois) | 498.33 mi (801.99 km) |
| Pittsburgh to Morton Grove (Illinois) | 420.56 mi (676.83 km) |
| Pittsburgh to Moscow (Idaho) | 1,884.58 mi (3,032.95 km) |
| Pittsburgh to Moses Lake (Washington) | 1,991.69 mi (3,205.31 km) |
| Pittsburgh to Moss Bluff (Louisiana) | 1,020.51 mi (1,642.36 km) |
| Pittsburgh to Moss Point (Mississippi) | 842.07 mi (1,355.18 km) |
| Pittsburgh to Moultrie (Georgia) | 675.37 mi (1,086.91 km) |
| Pittsburgh to Mounds View (Minnesota) | 743.31 mi (1,196.24 km) |
| Pittsburgh to Mount Airy (North Carolina) | 273.82 mi (440.67 km) |
| Pittsburgh to Mount Clemens (Michigan) | 211.70 mi (340.70 km) |
