The flight distance from Noi Bai International Airport (HAN) in Hanoi, Vietnam to Koulamoutou Airport (KOU) in Koulamoutou, Gabon is 10,404 kilometers (6,465 miles / 5,618 nautical miles). The estimated flight time for this route is approximately 13h, flying west at a heading of 270°.

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 Vietnam with Gabon. It is an intercontinental flight between Asia and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 12:54 in Hanoi, it's 06:54 in Koulamoutou. With a 6-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 1,031 feet between the two airports. Koulamoutou Airport sits higher than Noi Bai International Airport.

The return flight from Koulamoutou (KOU) to Hanoi (HAN) follows a heading of 69° (east 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 Noi Bai International Airport (HAN) and Koulamoutou Airport (KOU) detail pages, or use our flight duration calculator to compare other routes.