The flight distance from Sihanoukville International Airport (KOS) in Sihanukville, Cambodia to Wellington International Airport (WLG) in Wellington, New Zealand is 9,260 kilometers (5,754 miles / 5,000 nautical miles). The estimated flight time for this route is approximately 12h, flying southeast at a heading of 134°.

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

Time zone information: When it's 07:26 in Sihanukville, it's 12:26 in Wellington. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Wellington (WLG) to Sihanukville (KOS) follows a heading of 290° (west 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 Sihanoukville International Airport (KOS) and Wellington International Airport (WLG) detail pages, or use our flight duration calculator to compare other routes.