| Discovery Bay to Oakley (California) | 7.95 mi (12.80 km) |
| Discovery Bay to Oakton (Virginia) | 2,375.74 mi (3,823.38 km) |
| Discovery Bay to Oakville (Missouri) | 1,691.11 mi (2,721.57 km) |
| Discovery Bay to Oatfield (Oregon) | 521.15 mi (838.71 km) |
| Discovery Bay to Ocala (Florida) | 2,331.75 mi (3,752.60 km) |
| Discovery Bay to Ocean Acres (New Jersey) | 2,520.39 mi (4,056.17 km) |
| Discovery Bay to Ocean City (New Jersey) | 2,511.02 mi (4,041.10 km) |
| Discovery Bay to Ocean Pines (Maryland) | 2,496.82 mi (4,018.25 km) |
| Discovery Bay to Ocean Pointe (Hawaii) | 2,448.66 mi (3,940.75 km) |
| Discovery Bay to Ocean Springs (Mississippi) | 1,935.23 mi (3,114.44 km) |
| Discovery Bay to Oceanside (California) | 403.36 mi (649.14 km) |
| Discovery Bay to Oceanside (New York) | 2,540.60 mi (4,088.70 km) |
| Discovery Bay to Ocoee (Florida) | 2,383.44 mi (3,835.78 km) |
| Discovery Bay to Oconomowoc (Wisconsin) | 1,763.77 mi (2,838.52 km) |
| Discovery Bay to Odenton (Maryland) | 2,404.91 mi (3,870.33 km) |
