| Hattingen to Oswego (Illinois) | 4,259.53 mi (6,855.06 km) |
| Hattingen to Oswego (New York) | 3,733.48 mi (6,008.45 km) |
| Hattingen to Otsego (Minnesota) | 4,268.63 mi (6,869.70 km) |
| Hattingen to Ottawa (Illinois) | 4,293.43 mi (6,909.60 km) |
| Hattingen to Ottawa (Kansas) | 4,664.79 mi (7,507.25 km) |
| Hattingen to Ottumwa (Iowa) | 4,439.52 mi (7,144.72 km) |
| Hattingen to Overland (Missouri) | 4,482.49 mi (7,213.87 km) |
| Hattingen to Overland Park (Kansas) | 4,629.34 mi (7,450.21 km) |
| Hattingen to Overlea (Maryland) | 3,919.71 mi (6,308.17 km) |
| Hattingen to Oviedo (Florida) | 4,630.93 mi (7,452.76 km) |
| Hattingen to Owasso (Oklahoma) | 4,805.98 mi (7,734.48 km) |
| Hattingen to Owatonna (Minnesota) | 4,313.83 mi (6,942.44 km) |
| Hattingen to Owensboro (Kentucky) | 4,408.06 mi (7,094.09 km) |
| Hattingen to Owings Mills (Maryland) | 3,928.36 mi (6,322.08 km) |
| Hattingen to Owosso (Michigan) | 4,043.81 mi (6,507.88 km) |
