| Frederick to Oxford (Alabama) | 618.40 mi (995.22 km) |
| Frederick to Oxford (Mississippi) | 754.85 mi (1,214.82 km) |
| Frederick to Oxford (Ohio) | 390.91 mi (629.11 km) |
| Frederick to Oxnard (California) | 2,317.61 mi (3,729.83 km) |
| Frederick to Oxon Hill (Maryland) | 50.48 mi (81.23 km) |
| Frederick to Ozark (Alabama) | 719.73 mi (1,158.29 km) |
| Frederick to Ozark (Missouri) | 872.22 mi (1,403.71 km) |
| Frederick to Pace (Florida) | 820.79 mi (1,320.93 km) |
| Frederick to Pacific Grove (California) | 2,405.87 mi (3,871.87 km) |
| Frederick to Pacifica (California) | 2,413.75 mi (3,884.55 km) |
| Frederick to Paducah (Kentucky) | 630.32 mi (1,014.41 km) |
| Frederick to Pahrump (Nevada) | 2,101.21 mi (3,381.57 km) |
| Frederick to Painesville (Ohio) | 256.15 mi (412.24 km) |
| Frederick to Palatine (Illinois) | 585.76 mi (942.69 km) |
| Frederick to Palatka (Florida) | 717.88 mi (1,155.32 km) |
