| Astoria to Odessa (Texas) | 1,508.92 mi (2,428.37 km) |
| Astoria to Ogden (Utah) | 682.25 mi (1,097.98 km) |
| Astoria to Oildale (California) | 783.63 mi (1,261.13 km) |
| Astoria to Ojus (Florida) | 2,762.27 mi (4,445.45 km) |
| Astoria to Okemos (Michigan) | 1,937.71 mi (3,118.44 km) |
| Astoria to Oklahoma City (Oklahoma) | 1,551.04 mi (2,496.15 km) |
| Astoria to Okmulgee (Oklahoma) | 1,613.64 mi (2,596.91 km) |
| Astoria to Olathe (Kansas) | 1,549.35 mi (2,493.44 km) |
| Astoria to Old Jamestown (Missouri) | 1,766.28 mi (2,842.55 km) |
| Astoria to Oldsmar (Florida) | 2,550.73 mi (4,105.01 km) |
| Astoria to Olean (New York) | 2,236.88 mi (3,599.92 km) |
| Astoria to Olive Branch (Mississippi) | 1,924.88 mi (3,097.79 km) |
| Astoria to Olivehurst (California) | 504.05 mi (811.20 km) |
| Astoria to Olney (Maryland) | 2,387.80 mi (3,842.80 km) |
| Astoria to Olympia (Washington) | 73.22 mi (117.84 km) |
