| Brainerd to Oswego (Illinois) | 434.50 mi (699.25 km) |
| Brainerd to Oswego (New York) | 887.00 mi (1,427.49 km) |
| Brainerd to Otsego (Minnesota) | 80.25 mi (129.15 km) |
| Brainerd to Ottawa (Illinois) | 436.78 mi (702.94 km) |
| Brainerd to Ottawa (Kansas) | 538.59 mi (866.78 km) |
| Brainerd to Ottumwa (Iowa) | 379.21 mi (610.28 km) |
| Brainerd to Overland (Missouri) | 563.77 mi (907.29 km) |
| Brainerd to Overland Park (Kansas) | 516.60 mi (831.39 km) |
| Brainerd to Overlea (Maryland) | 1,014.24 mi (1,632.26 km) |
| Brainerd to Oviedo (Florida) | 1,411.26 mi (2,271.21 km) |
| Brainerd to Owasso (Oklahoma) | 700.69 mi (1,127.66 km) |
| Brainerd to Owatonna (Minnesota) | 163.36 mi (262.90 km) |
| Brainerd to Owensboro (Kentucky) | 695.65 mi (1,119.54 km) |
| Brainerd to Owings Mills (Maryland) | 1,000.32 mi (1,609.85 km) |
| Brainerd to Owosso (Michigan) | 543.86 mi (875.26 km) |
