The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Waca Airport (WAC) in Waca, Ethiopia is 13,615 kilometers (8,460 miles / 7,351 nautical miles). The estimated flight time for this route is approximately 17h, flying north northeast at a heading of 24°.

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 United States with Ethiopia. It is an intercontinental flight between North America and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 00:01 in Seattle, it's 11:01 in Waca. With a 11-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 3,768 feet between the two airports. Waca Airport sits higher than Seattle-Tacoma International Airport.

The return flight from Waca (WAC) to Seattle (SEA) follows a heading of 344° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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