| Owings Mills to Oak Grove (South Carolina) | 446.14 mi (717.99 km) |
| Owings Mills to Oak Harbor (Washington) | 2,327.59 mi (3,745.89 km) |
| Owings Mills to Oak Hills (Oregon) | 2,351.47 mi (3,784.33 km) |
| Owings Mills to Oak Lawn (Illinois) | 596.48 mi (959.94 km) |
| Owings Mills to Oak Park (California) | 2,329.10 mi (3,748.32 km) |
| Owings Mills to Oak Park (Illinois) | 600.91 mi (967.07 km) |
| Owings Mills to Oak Park (Michigan) | 394.52 mi (634.92 km) |
| Owings Mills to Oak Ridge (Florida) | 800.63 mi (1,288.49 km) |
| Owings Mills to Oak Ridge (New Jersey) | 164.88 mi (265.35 km) |
| Owings Mills to Oak Ridge (Tennessee) | 474.12 mi (763.02 km) |
| Owings Mills to Oakdale (California) | 2,358.28 mi (3,795.29 km) |
| Owings Mills to Oakdale (Minnesota) | 910.91 mi (1,465.97 km) |
| Owings Mills to Oakland (California) | 2,429.27 mi (3,909.53 km) |
| Owings Mills to Oakland (New Jersey) | 175.00 mi (281.64 km) |
| Owings Mills to Oakland Park (Florida) | 934.75 mi (1,504.34 km) |
