| Frankfort to Oswego (Illinois) | 303.30 mi (488.12 km) |
| Frankfort to Oswego (New York) | 568.07 mi (914.22 km) |
| Frankfort to Otsego (Minnesota) | 664.57 mi (1,069.52 km) |
| Frankfort to Ottawa (Illinois) | 303.29 mi (488.09 km) |
| Frankfort to Ottawa (Kansas) | 563.53 mi (906.92 km) |
| Frankfort to Ottumwa (Iowa) | 446.85 mi (719.13 km) |
| Frankfort to Overland (Missouri) | 299.86 mi (482.58 km) |
| Frankfort to Overland Park (Kansas) | 532.75 mi (857.38 km) |
| Frankfort to Overlea (Maryland) | 456.64 mi (734.90 km) |
| Frankfort to Oviedo (Florida) | 691.87 mi (1,113.46 km) |
| Frankfort to Owasso (Oklahoma) | 617.02 mi (992.99 km) |
| Frankfort to Owatonna (Minnesota) | 595.78 mi (958.81 km) |
| Frankfort to Owensboro (Kentucky) | 126.33 mi (203.30 km) |
| Frankfort to Owings Mills (Maryland) | 442.62 mi (712.33 km) |
| Frankfort to Owosso (Michigan) | 333.82 mi (537.23 km) |
