| Preakness to Owosso (Michigan) | 530.28 mi (853.40 km) |
| Preakness to Oxford (Alabama) | 815.60 mi (1,312.58 km) |
| Preakness to Oxford (Mississippi) | 950.84 mi (1,530.23 km) |
| Preakness to Oxford (Ohio) | 563.40 mi (906.70 km) |
| Preakness to Oxnard (California) | 2,477.96 mi (3,987.90 km) |
| Preakness to Oxon Hill (Maryland) | 208.09 mi (334.89 km) |
| Preakness to Ozark (Alabama) | 912.42 mi (1,468.40 km) |
| Preakness to Ozark (Missouri) | 1,052.61 mi (1,694.01 km) |
| Preakness to Pace (Florida) | 1,015.03 mi (1,633.53 km) |
| Preakness to Pacific Grove (California) | 2,554.78 mi (4,111.52 km) |
| Preakness to Pacifica (California) | 2,558.39 mi (4,117.33 km) |
| Preakness to Paducah (Kentucky) | 817.86 mi (1,316.21 km) |
| Preakness to Pahrump (Nevada) | 2,257.98 mi (3,633.87 km) |
| Preakness to Painesville (Ohio) | 368.61 mi (593.23 km) |
| Preakness to Palatine (Illinois) | 718.61 mi (1,156.50 km) |
