The flight distance from Koulamoutou Airport (KOU) in Koulamoutou, Gabon to Portland International Airport (PDX) in Portland, United States is 13,416 kilometers (8,336 miles / 7,244 nautical miles). The estimated flight time for this route is approximately 17h, flying northwest at a heading of 325°.

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 Gabon 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 05:59 in Koulamoutou, it's 20:59 in Portland. 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 1,039 feet between the two airports. Portland International Airport sits lower than Koulamoutou Airport.

The return flight from Portland (PDX) to Koulamoutou (KOU) follows a heading of 55° (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 Koulamoutou Airport (KOU) and Portland International Airport (PDX) detail pages, or use our flight duration calculator to compare other routes.