| Discovery Bay to Odessa (Texas) | 1,165.17 mi (1,875.16 km) |
| Discovery Bay to Ogden (Utah) | 561.54 mi (903.71 km) |
| Discovery Bay to Oildale (California) | 222.58 mi (358.21 km) |
| Discovery Bay to Ojus (Florida) | 2,542.60 mi (4,091.92 km) |
| Discovery Bay to Okemos (Michigan) | 1,970.88 mi (3,171.83 km) |
| Discovery Bay to Oklahoma City (Oklahoma) | 1,341.30 mi (2,158.62 km) |
| Discovery Bay to Okmulgee (Oklahoma) | 1,420.97 mi (2,286.83 km) |
| Discovery Bay to Olathe (Kansas) | 1,446.50 mi (2,327.92 km) |
| Discovery Bay to Old Jamestown (Missouri) | 1,689.14 mi (2,718.41 km) |
| Discovery Bay to Oldsmar (Florida) | 2,338.07 mi (3,762.76 km) |
| Discovery Bay to Olean (New York) | 2,278.69 mi (3,667.20 km) |
| Discovery Bay to Olive Branch (Mississippi) | 1,768.18 mi (2,845.60 km) |
| Discovery Bay to Olivehurst (California) | 81.09 mi (130.51 km) |
| Discovery Bay to Olney (Maryland) | 2,383.94 mi (3,836.57 km) |
| Discovery Bay to Olympia (Washington) | 634.62 mi (1,021.32 km) |
