| Discovery Bay to Oswego (Illinois) | 1,773.74 mi (2,854.56 km) |
| Discovery Bay to Oswego (New York) | 2,364.57 mi (3,805.40 km) |
| Discovery Bay to Otsego (Minnesota) | 1,523.52 mi (2,451.86 km) |
| Discovery Bay to Ottawa (Illinois) | 1,749.61 mi (2,815.73 km) |
| Discovery Bay to Ottawa (Kansas) | 1,424.80 mi (2,293.00 km) |
| Discovery Bay to Ottumwa (Iowa) | 1,563.94 mi (2,516.92 km) |
| Discovery Bay to Overland (Missouri) | 1,686.00 mi (2,713.36 km) |
| Discovery Bay to Overland Park (Kansas) | 1,453.59 mi (2,339.33 km) |
| Discovery Bay to Overlea (Maryland) | 2,409.68 mi (3,878.01 km) |
| Discovery Bay to Oviedo (Florida) | 2,399.88 mi (3,862.23 km) |
| Discovery Bay to Owasso (Oklahoma) | 1,419.94 mi (2,285.17 km) |
| Discovery Bay to Owatonna (Minnesota) | 1,531.17 mi (2,464.19 km) |
| Discovery Bay to Owensboro (Kentucky) | 1,870.82 mi (3,010.79 km) |
| Discovery Bay to Owings Mills (Maryland) | 2,394.70 mi (3,853.90 km) |
| Discovery Bay to Owosso (Michigan) | 1,981.91 mi (3,189.58 km) |
