| Ortenberg to Oswego (Illinois) | 4,367.19 mi (7,028.31 km) |
| Ortenberg to Oswego (New York) | 3,839.19 mi (6,178.58 km) |
| Ortenberg to Otsego (Minnesota) | 4,377.34 mi (7,044.65 km) |
| Ortenberg to Ottawa (Illinois) | 4,401.09 mi (7,082.87 km) |
| Ortenberg to Ottawa (Kansas) | 4,772.91 mi (7,681.26 km) |
| Ortenberg to Ottumwa (Iowa) | 4,547.65 mi (7,318.73 km) |
| Ortenberg to Overland (Missouri) | 4,589.83 mi (7,386.61 km) |
| Ortenberg to Overland Park (Kansas) | 4,737.43 mi (7,624.16 km) |
| Ortenberg to Overlea (Maryland) | 4,023.54 mi (6,475.25 km) |
| Ortenberg to Oviedo (Florida) | 4,731.12 mi (7,614.00 km) |
| Ortenberg to Owasso (Oklahoma) | 4,913.82 mi (7,908.02 km) |
| Ortenberg to Owatonna (Minnesota) | 4,422.43 mi (7,117.21 km) |
| Ortenberg to Owensboro (Kentucky) | 4,514.42 mi (7,265.26 km) |
| Ortenberg to Owings Mills (Maryland) | 4,032.30 mi (6,489.36 km) |
| Ortenberg to Owosso (Michigan) | 4,151.06 mi (6,680.48 km) |
