| Astoria to Orangevale (California) | 534.44 mi (860.11 km) |
| Astoria to Orchards (Washington) | 70.20 mi (112.98 km) |
| Astoria to Orcutt (California) | 801.62 mi (1,290.08 km) |
| Astoria to Oregon (Ohio) | 2,011.43 mi (3,237.08 km) |
| Astoria to Oregon (Wisconsin) | 1,695.83 mi (2,729.17 km) |
| Astoria to Oregon City (Oregon) | 82.56 mi (132.87 km) |
| Astoria to Orem (Utah) | 731.37 mi (1,177.02 km) |
| Astoria to Orinda (California) | 579.81 mi (933.11 km) |
| Astoria to Orland Park (Illinois) | 1,801.37 mi (2,899.03 km) |
| Astoria to Orlando (Florida) | 2,593.54 mi (4,173.89 km) |
| Astoria to Ormond Beach (Florida) | 2,568.49 mi (4,133.58 km) |
| Astoria to Oro Valley (Arizona) | 1,169.32 mi (1,881.84 km) |
| Astoria to Oroville (California) | 475.64 mi (765.47 km) |
| Astoria to Oshkosh (Wisconsin) | 1,711.03 mi (2,753.64 km) |
| Astoria to Oskaloosa (Iowa) | 1,581.24 mi (2,544.76 km) |
