| Preakness to Oak Grove (South Carolina) | 612.26 mi (985.35 km) |
| Preakness to Oak Harbor (Washington) | 2,392.92 mi (3,851.03 km) |
| Preakness to Oak Hills (Oregon) | 2,429.93 mi (3,910.60 km) |
| Preakness to Oak Lawn (Illinois) | 703.27 mi (1,131.80 km) |
| Preakness to Oak Park (California) | 2,456.70 mi (3,953.67 km) |
| Preakness to Oak Park (Illinois) | 705.25 mi (1,134.99 km) |
| Preakness to Oak Park (Michigan) | 473.76 mi (762.44 km) |
| Preakness to Oak Ridge (Florida) | 952.39 mi (1,532.72 km) |
| Preakness to Oak Ridge (New Jersey) | 15.65 mi (25.18 km) |
| Preakness to Oak Ridge (Tennessee) | 643.56 mi (1,035.70 km) |
| Preakness to Oakdale (California) | 2,471.13 mi (3,976.90 km) |
| Preakness to Oakdale (Minnesota) | 985.40 mi (1,585.85 km) |
| Preakness to Oakland (California) | 2,540.66 mi (4,088.80 km) |
| Preakness to Oakland (New Jersey) | 6.49 mi (10.45 km) |
| Preakness to Oakland Park (Florida) | 1,074.73 mi (1,729.61 km) |
