| Owings Mills to Maryland Heights (Missouri) | 734.92 mi (1,182.74 km) |
| Owings Mills to Marysville (California) | 2,370.31 mi (3,814.64 km) |
| Owings Mills to Marysville (Ohio) | 353.01 mi (568.11 km) |
| Owings Mills to Marysville (Washington) | 2,306.17 mi (3,711.42 km) |
| Owings Mills to Maryville (Missouri) | 959.09 mi (1,543.51 km) |
| Owings Mills to Maryville (Tennessee) | 467.75 mi (752.77 km) |
| Owings Mills to Mason (Ohio) | 401.01 mi (645.36 km) |
| Owings Mills to Mason City (Iowa) | 888.55 mi (1,429.98 km) |
| Owings Mills to Massapequa (New York) | 195.91 mi (315.29 km) |
| Owings Mills to Massapequa Park (New York) | 197.32 mi (317.56 km) |
| Owings Mills to Massillon (Ohio) | 267.53 mi (430.54 km) |
| Owings Mills to Mastic (New York) | 229.65 mi (369.59 km) |
| Owings Mills to Mastic Beach (New York) | 229.00 mi (368.55 km) |
| Owings Mills to Matteson (Illinois) | 593.43 mi (955.04 km) |
| Owings Mills to Matthews (North Carolina) | 366.48 mi (589.79 km) |
