Airport Comparison
| COA | SEA | |
|---|---|---|
| Airport Name | Columbia Airport | Seattle-Tacoma International Airport |
| IATA Code | COA | SEA |
| ICAO Code | KO22 | KSEA |
| City | Columbia | Seattle |
| Country | United States | United States |
| Timezone | America/Los_Angeles | America/Los_Angeles |
| Elevation | 2,121 ft | 432 ft |
| Coordinates | 38.030000, -120.410000 | 47.450000, -122.310000 |
Columbia (COA) to Seattle (SEA) Flight Distance
The flight distance from Columbia Airport (COA) in Columbia, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 1,059 kilometers (658 miles / 572 nautical miles). The estimated flight time for this route is approximately 2h, flying north at a heading of 352°.
This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation.
Time zone information: When it's 01:00 in Columbia, it's 01:00 in Seattle.
There is a significant elevation difference of 1,688 feet between the two airports. Seattle-Tacoma International Airport sits lower than Columbia Airport.
The return flight from Seattle (SEA) to Columbia (COA) follows a heading of 171° (south). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Columbia Airport (COA) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.