| Oatfield to Oswego (Illinois) | 1,721.46 mi (2,770.43 km) |
| Oatfield to Oswego (New York) | 2,246.89 mi (3,616.01 km) |
| Oatfield to Otsego (Minnesota) | 1,399.52 mi (2,252.31 km) |
| Oatfield to Ottawa (Illinois) | 1,705.75 mi (2,745.15 km) |
| Oatfield to Ottawa (Kansas) | 1,471.62 mi (2,368.34 km) |
| Oatfield to Ottumwa (Iowa) | 1,539.94 mi (2,478.30 km) |
| Oatfield to Overland (Missouri) | 1,704.39 mi (2,742.95 km) |
| Oatfield to Overland Park (Kansas) | 1,490.26 mi (2,398.34 km) |
| Oatfield to Overlea (Maryland) | 2,355.15 mi (3,790.25 km) |
| Oatfield to Oviedo (Florida) | 2,523.82 mi (4,061.70 km) |
| Oatfield to Owasso (Oklahoma) | 1,524.84 mi (2,453.99 km) |
| Oatfield to Owatonna (Minnesota) | 1,435.63 mi (2,310.43 km) |
| Oatfield to Owensboro (Kentucky) | 1,891.12 mi (3,043.47 km) |
| Oatfield to Owings Mills (Maryland) | 2,340.55 mi (3,766.75 km) |
| Oatfield to Owosso (Michigan) | 1,892.01 mi (3,044.90 km) |
