| Owings Mills to Montgomeryville (Pennsylvania) | 100.64 mi (161.96 km) |
| Owings Mills to Monticello (Minnesota) | 956.45 mi (1,539.26 km) |
| Owings Mills to Montrose (Colorado) | 1,662.61 mi (2,675.72 km) |
| Owings Mills to Moody (Alabama) | 671.50 mi (1,080.68 km) |
| Owings Mills to Moore (Oklahoma) | 1,167.42 mi (1,878.78 km) |
| Owings Mills to Moorestown-Lenola (New Jersey) | 104.42 mi (168.04 km) |
| Owings Mills to Mooresville (North Carolina) | 344.65 mi (554.66 km) |
| Owings Mills to Moorhead (Minnesota) | 1,125.85 mi (1,811.87 km) |
| Owings Mills to Moorpark (California) | 2,332.40 mi (3,753.64 km) |
| Owings Mills to Moraga (California) | 2,423.27 mi (3,899.88 km) |
| Owings Mills to Moreno Valley (California) | 2,252.48 mi (3,625.02 km) |
| Owings Mills to Morgan City (Louisiana) | 1,056.54 mi (1,700.34 km) |
| Owings Mills to Morgan Hill (California) | 2,412.86 mi (3,883.12 km) |
| Owings Mills to Morganton (North Carolina) | 369.45 mi (594.58 km) |
| Owings Mills to Morgantown (West Virginia) | 168.87 mi (271.77 km) |
