| Brainerd to Olympia Heights (Florida) | 1,616.68 mi (2,601.80 km) |
| Brainerd to Omaha (Nebraska) | 363.78 mi (585.45 km) |
| Brainerd to On Top of the World Designated Place (Florida) | 1,354.47 mi (2,179.80 km) |
| Brainerd to Onalaska (Wisconsin) | 224.27 mi (360.93 km) |
| Brainerd to Oneida (New York) | 935.46 mi (1,505.47 km) |
| Brainerd to Oneonta (New York) | 979.30 mi (1,576.03 km) |
| Brainerd to Ontario (California) | 1,490.92 mi (2,399.40 km) |
| Brainerd to Ontario (Oregon) | 1,116.77 mi (1,797.28 km) |
| Brainerd to Opa-locka (Florida) | 1,607.84 mi (2,587.57 km) |
| Brainerd to Opelika (Alabama) | 1,054.98 mi (1,697.83 km) |
| Brainerd to Opelousas (Louisiana) | 1,099.63 mi (1,769.68 km) |
| Brainerd to Orange (California) | 1,510.98 mi (2,431.68 km) |
| Brainerd to Orange (Texas) | 1,121.82 mi (1,805.39 km) |
| Brainerd to Orange City (Florida) | 1,391.42 mi (2,239.28 km) |
| Brainerd to Orangeburg (South Carolina) | 1,131.96 mi (1,821.72 km) |
