| East Retford to Oswego (Illinois) | 3,895.72 mi (6,269.56 km) |
| East Retford to Oswego (New York) | 3,366.29 mi (5,417.53 km) |
| East Retford to Otsego (Minnesota) | 3,912.48 mi (6,296.53 km) |
| East Retford to Ottawa (Illinois) | 3,929.64 mi (6,324.15 km) |
| East Retford to Ottawa (Kansas) | 4,302.97 mi (6,924.95 km) |
| East Retford to Ottumwa (Iowa) | 4,077.74 mi (6,562.49 km) |
| East Retford to Overland (Missouri) | 4,117.71 mi (6,626.82 km) |
| East Retford to Overland Park (Kansas) | 4,267.34 mi (6,867.63 km) |
| East Retford to Overlea (Maryland) | 3,552.21 mi (5,716.73 km) |
| East Retford to Oviedo (Florida) | 4,265.95 mi (6,865.38 km) |
| East Retford to Owasso (Oklahoma) | 4,442.78 mi (7,149.97 km) |
| East Retford to Owatonna (Minnesota) | 3,955.87 mi (6,366.36 km) |
| East Retford to Owensboro (Kentucky) | 4,041.49 mi (6,504.15 km) |
| East Retford to Owings Mills (Maryland) | 3,560.83 mi (5,730.60 km) |
| East Retford to Owosso (Michigan) | 3,678.82 mi (5,920.50 km) |
