The flight distance from Greymouth Airport (GMN) in Greymouth Airport, New Zealand to Noi Bai International Airport (HAN) in Hanoi, Vietnam is 9,739 kilometers (6,051 miles / 5,259 nautical miles). The estimated flight time for this route is approximately 12h, flying west northwest at a heading of 302°.

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

Time zone information: When it's 21:59 in Greymouth Airport, it's 15:59 in Hanoi. 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.

The return flight from Hanoi (HAN) to Greymouth Airport (GMN) follows a heading of 138° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Greymouth Airport (GMN) and Noi Bai International Airport (HAN) detail pages, or use our flight duration calculator to compare other routes.