| Oakland to Oswego (Illinois) | 1,808.20 mi (2,910.02 km) |
| Oakland to Oswego (New York) | 2,398.61 mi (3,860.18 km) |
| Oakland to Otsego (Minnesota) | 1,556.96 mi (2,505.68 km) |
| Oakland to Ottawa (Illinois) | 1,784.12 mi (2,871.26 km) |
| Oakland to Ottawa (Kansas) | 1,459.39 mi (2,348.66 km) |
| Oakland to Ottumwa (Iowa) | 1,598.50 mi (2,572.53 km) |
| Oakland to Overland (Missouri) | 1,720.63 mi (2,769.08 km) |
| Oakland to Overland Park (Kansas) | 1,488.20 mi (2,395.03 km) |
| Oakland to Overlea (Maryland) | 2,444.25 mi (3,933.64 km) |
| Oakland to Oviedo (Florida) | 2,433.12 mi (3,915.73 km) |
| Oakland to Owasso (Oklahoma) | 1,454.09 mi (2,340.12 km) |
| Oakland to Owatonna (Minnesota) | 1,565.06 mi (2,518.72 km) |
| Oakland to Owensboro (Kentucky) | 1,905.41 mi (3,066.47 km) |
| Oakland to Owings Mills (Maryland) | 2,429.27 mi (3,909.53 km) |
| Oakland to Owosso (Michigan) | 2,016.13 mi (3,244.64 km) |
