| Placentia to Owosso (Michigan) | 1,913.36 mi (3,079.26 km) |
| Placentia to Oxford (Alabama) | 1,830.43 mi (2,945.79 km) |
| Placentia to Oxford (Mississippi) | 1,615.03 mi (2,599.13 km) |
| Placentia to Oxford (Ohio) | 1,864.09 mi (2,999.97 km) |
| Placentia to Oxnard (California) | 79.00 mi (127.14 km) |
| Placentia to Oxon Hill (Maryland) | 2,281.52 mi (3,671.75 km) |
| Placentia to Ozark (Alabama) | 1,873.26 mi (3,014.72 km) |
| Placentia to Ozark (Missouri) | 1,399.69 mi (2,252.58 km) |
| Placentia to Pace (Florida) | 1,800.67 mi (2,897.89 km) |
| Placentia to Pacific Grove (California) | 297.51 mi (478.80 km) |
| Placentia to Pacifica (California) | 365.47 mi (588.17 km) |
| Placentia to Paducah (Kentucky) | 1,651.77 mi (2,658.26 km) |
| Placentia to Pahrump (Nevada) | 192.98 mi (310.57 km) |
| Placentia to Painesville (Ohio) | 2,053.49 mi (3,304.77 km) |
| Placentia to Palatine (Illinois) | 1,709.66 mi (2,751.43 km) |
