| Oberhausen to Oswego (Illinois) | 4,244.46 mi (6,830.80 km) |
| Oberhausen to Oswego (New York) | 3,718.33 mi (5,984.07 km) |
| Oberhausen to Otsego (Minnesota) | 4,253.80 mi (6,845.83 km) |
| Oberhausen to Ottawa (Illinois) | 4,278.36 mi (6,885.35 km) |
| Oberhausen to Ottawa (Kansas) | 4,649.78 mi (7,483.09 km) |
| Oberhausen to Ottumwa (Iowa) | 4,424.51 mi (7,120.56 km) |
| Oberhausen to Overland (Missouri) | 4,467.39 mi (7,189.57 km) |
| Oberhausen to Overland Park (Kansas) | 4,614.33 mi (7,426.04 km) |
| Oberhausen to Overlea (Maryland) | 3,904.59 mi (6,283.82 km) |
| Oberhausen to Oviedo (Florida) | 4,615.95 mi (7,428.66 km) |
| Oberhausen to Owasso (Oklahoma) | 4,790.93 mi (7,710.26 km) |
| Oberhausen to Owatonna (Minnesota) | 4,298.94 mi (6,918.48 km) |
| Oberhausen to Owensboro (Kentucky) | 4,392.92 mi (7,069.72 km) |
| Oberhausen to Owings Mills (Maryland) | 3,913.23 mi (6,297.73 km) |
| Oberhausen to Owosso (Michigan) | 4,028.70 mi (6,483.57 km) |
