| Birkerod to Oswego (Illinois) | 4,273.08 mi (6,876.86 km) |
| Birkerod to Oswego (New York) | 3,785.36 mi (6,091.95 km) |
| Birkerod to Otsego (Minnesota) | 4,243.32 mi (6,828.97 km) |
| Birkerod to Ottawa (Illinois) | 4,306.56 mi (6,930.74 km) |
| Birkerod to Ottawa (Kansas) | 4,663.39 mi (7,505.00 km) |
| Birkerod to Ottumwa (Iowa) | 4,439.31 mi (7,144.37 km) |
| Birkerod to Overland (Missouri) | 4,501.76 mi (7,244.88 km) |
| Birkerod to Overland Park (Kansas) | 4,629.17 mi (7,449.94 km) |
| Birkerod to Overlea (Maryland) | 3,994.27 mi (6,428.16 km) |
| Birkerod to Oviedo (Florida) | 4,736.35 mi (7,622.41 km) |
| Birkerod to Owasso (Oklahoma) | 4,812.06 mi (7,744.26 km) |
| Birkerod to Owatonna (Minnesota) | 4,295.74 mi (6,913.33 km) |
| Birkerod to Owensboro (Kentucky) | 4,445.73 mi (7,154.70 km) |
| Birkerod to Owings Mills (Maryland) | 4,001.52 mi (6,439.82 km) |
| Birkerod to Owosso (Michigan) | 4,067.60 mi (6,546.17 km) |
