| Pikesville to Oak Grove (South Carolina) | 447.56 mi (720.28 km) |
| Pikesville to Oak Harbor (Washington) | 2,332.47 mi (3,753.75 km) |
| Pikesville to Oak Hills (Oregon) | 2,356.43 mi (3,792.31 km) |
| Pikesville to Oak Lawn (Illinois) | 601.48 mi (967.99 km) |
| Pikesville to Oak Park (California) | 2,333.97 mi (3,756.16 km) |
| Pikesville to Oak Park (Illinois) | 605.91 mi (975.12 km) |
| Pikesville to Oak Park (Michigan) | 399.32 mi (642.65 km) |
| Pikesville to Oak Ridge (Florida) | 800.90 mi (1,288.92 km) |
| Pikesville to Oak Ridge (New Jersey) | 162.54 mi (261.58 km) |
| Pikesville to Oak Ridge (Tennessee) | 477.63 mi (768.68 km) |
| Pikesville to Oakdale (California) | 2,363.26 mi (3,803.30 km) |
| Pikesville to Oakdale (Minnesota) | 915.80 mi (1,473.84 km) |
| Pikesville to Oakland (California) | 2,434.25 mi (3,917.55 km) |
| Pikesville to Oakland (New Jersey) | 172.43 mi (277.50 km) |
| Pikesville to Oakland Park (Florida) | 934.35 mi (1,503.68 km) |
