| Santa Paula to Olympia (Washington) | 898.97 mi (1,446.75 km) |
| Santa Paula to Olympia Heights (Florida) | 2,376.52 mi (3,824.63 km) |
| Santa Paula to Omaha (Nebraska) | 1,338.84 mi (2,154.66 km) |
| Santa Paula to On Top of the World Designated Place (Florida) | 2,179.54 mi (3,507.63 km) |
| Santa Paula to Onalaska (Wisconsin) | 1,621.96 mi (2,610.29 km) |
| Santa Paula to Oneida (New York) | 2,387.89 mi (3,842.94 km) |
| Santa Paula to Oneonta (New York) | 2,418.78 mi (3,892.64 km) |
| Santa Paula to Ontario (California) | 86.19 mi (138.70 km) |
| Santa Paula to Ontario (Oregon) | 677.47 mi (1,090.28 km) |
| Santa Paula to Opa-locka (Florida) | 2,376.39 mi (3,824.42 km) |
| Santa Paula to Opelika (Alabama) | 1,935.49 mi (3,114.86 km) |
| Santa Paula to Opelousas (Louisiana) | 1,590.74 mi (2,560.05 km) |
| Santa Paula to Orange (California) | 80.71 mi (129.89 km) |
| Santa Paula to Orange (Texas) | 1,503.36 mi (2,419.42 km) |
| Santa Paula to Orange City (Florida) | 2,240.39 mi (3,605.56 km) |
