The flight distance from Bertoua Airport (BTA) in Bertoua, Cameroon to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 12,817 kilometers (7,964 miles / 6,921 nautical miles). The estimated flight time for this route is approximately 16h, flying north northwest at a heading of 329°.

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

Time zone information: When it's 06:48 in Bertoua, it's 21:48 in Seattle. With a 9-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 1,701 feet between the two airports. Seattle-Tacoma International Airport sits lower than Bertoua Airport.

The return flight from Seattle (SEA) to Bertoua (BTA) follows a heading of 50° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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