The flight distance from Cooma Snowy Mountains Airport (OOM) in Cooma, Australia to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 12,797 kilometers (7,952 miles / 6,910 nautical miles). The estimated flight time for this route is approximately 16h, flying northeast at a heading of 48°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Australia with United States. It is an intercontinental flight between Oceania and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 20:07 in Cooma, it's 03:07 in Seattle. With a 17-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 2,656 feet between the two airports. Seattle-Tacoma International Airport sits lower than Cooma Snowy Mountains Airport.

The return flight from Seattle (SEA) to Cooma (OOM) follows a heading of 243° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Cooma Snowy Mountains Airport (OOM) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.