| Owings Mills to Morris (Illinois) | 626.80 mi (1,008.73 km) |
| Owings Mills to Morristown (New Jersey) | 155.28 mi (249.90 km) |
| Owings Mills to Morristown (Tennessee) | 418.57 mi (673.63 km) |
| Owings Mills to Morrisville (North Carolina) | 271.10 mi (436.30 km) |
| Owings Mills to Morro Bay (California) | 2,410.65 mi (3,879.56 km) |
| Owings Mills to Morton (Illinois) | 675.30 mi (1,086.79 km) |
| Owings Mills to Morton Grove (Illinois) | 603.34 mi (970.98 km) |
| Owings Mills to Moscow (Idaho) | 2,067.27 mi (3,326.95 km) |
| Owings Mills to Moses Lake (Washington) | 2,174.17 mi (3,498.99 km) |
| Owings Mills to Moss Bluff (Louisiana) | 1,120.52 mi (1,803.31 km) |
| Owings Mills to Moss Point (Mississippi) | 908.33 mi (1,461.82 km) |
| Owings Mills to Moultrie (Georgia) | 692.34 mi (1,114.21 km) |
| Owings Mills to Mounds View (Minnesota) | 924.86 mi (1,488.43 km) |
| Owings Mills to Mount Airy (North Carolina) | 289.15 mi (465.33 km) |
| Owings Mills to Mount Clemens (Michigan) | 386.26 mi (621.63 km) |
