| Oroville to Olympia (Washington) | 525.36 mi (845.48 km) |
| Oroville to Olympia Heights (Florida) | 2,554.53 mi (4,111.11 km) |
| Oroville to Omaha (Nebraska) | 1,343.32 mi (2,161.87 km) |
| Oroville to On Top of the World Designated Place (Florida) | 2,333.19 mi (3,754.90 km) |
| Oroville to Onalaska (Wisconsin) | 1,585.87 mi (2,552.21 km) |
| Oroville to Oneida (New York) | 2,366.01 mi (3,807.72 km) |
| Oroville to Oneonta (New York) | 2,403.61 mi (3,868.23 km) |
| Oroville to Ontario (California) | 436.13 mi (701.88 km) |
| Oroville to Ontario (Oregon) | 391.89 mi (630.68 km) |
| Oroville to Opa-locka (Florida) | 2,552.47 mi (4,107.80 km) |
| Oroville to Opelika (Alabama) | 2,060.50 mi (3,316.06 km) |
| Oroville to Opelousas (Louisiana) | 1,770.10 mi (2,848.71 km) |
| Oroville to Orange (California) | 444.76 mi (715.77 km) |
| Oroville to Orange (Texas) | 1,696.34 mi (2,729.99 km) |
| Oroville to Orange City (Florida) | 2,391.83 mi (3,849.27 km) |
