| Pacifica to Oskaloosa (Iowa) | 1,603.96 mi (2,581.33 km) |
| Pacifica to Oswego (Illinois) | 1,825.81 mi (2,938.35 km) |
| Pacifica to Oswego (New York) | 2,416.73 mi (3,889.35 km) |
| Pacifica to Otsego (Minnesota) | 1,575.44 mi (2,535.43 km) |
| Pacifica to Ottawa (Illinois) | 1,801.63 mi (2,899.44 km) |
| Pacifica to Ottawa (Kansas) | 1,475.76 mi (2,375.01 km) |
| Pacifica to Ottumwa (Iowa) | 1,615.87 mi (2,600.49 km) |
| Pacifica to Overland (Missouri) | 1,737.23 mi (2,795.80 km) |
| Pacifica to Overland Park (Kansas) | 1,504.72 mi (2,421.62 km) |
| Pacifica to Overlea (Maryland) | 2,461.58 mi (3,961.53 km) |
| Pacifica to Oviedo (Florida) | 2,446.88 mi (3,937.88 km) |
| Pacifica to Owasso (Oklahoma) | 1,469.28 mi (2,364.57 km) |
| Pacifica to Owatonna (Minnesota) | 1,583.30 mi (2,548.07 km) |
| Pacifica to Owensboro (Kentucky) | 1,921.83 mi (3,092.89 km) |
| Pacifica to Owings Mills (Maryland) | 2,446.60 mi (3,937.42 km) |
