| Rancho Cordova to Olympia (Washington) | 590.94 mi (951.03 km) |
| Rancho Cordova to Olympia Heights (Florida) | 2,528.36 mi (4,069.00 km) |
| Rancho Cordova to Omaha (Nebraska) | 1,343.43 mi (2,162.05 km) |
| Rancho Cordova to On Top of the World Designated Place (Florida) | 2,310.90 mi (3,719.04 km) |
| Rancho Cordova to Onalaska (Wisconsin) | 1,594.34 mi (2,565.84 km) |
| Rancho Cordova to Oneida (New York) | 2,374.31 mi (3,821.08 km) |
| Rancho Cordova to Oneonta (New York) | 2,410.82 mi (3,879.85 km) |
| Rancho Cordova to Ontario (California) | 373.25 mi (600.68 km) |
| Rancho Cordova to Ontario (Oregon) | 437.10 mi (703.45 km) |
| Rancho Cordova to Opa-locka (Florida) | 2,526.64 mi (4,066.23 km) |
| Rancho Cordova to Opelika (Alabama) | 2,042.59 mi (3,287.23 km) |
| Rancho Cordova to Opelousas (Louisiana) | 1,742.01 mi (2,803.50 km) |
| Rancho Cordova to Orange (California) | 381.00 mi (613.16 km) |
| Rancho Cordova to Orange (Texas) | 1,665.68 mi (2,680.66 km) |
| Rancho Cordova to Orange City (Florida) | 2,370.04 mi (3,814.21 km) |
