The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Westport Airport (WSZ) in Westport Airport, New Zealand is 11,722 kilometers (7,284 miles / 6,330 nautical miles). The estimated flight time for this route is approximately 15h, flying southeast at a heading of 129°.

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 Nepal 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 11:22 in Kathmandu, it's 17:37 in Westport Airport. With a 6.25-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 4,377 feet between the two airports. Westport Airport sits lower than Tribhuvan International Airport.

The return flight from Westport Airport (WSZ) to Kathmandu (KTM) follows a heading of 294° (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 Tribhuvan International Airport (KTM) and Westport Airport (WSZ) detail pages, or use our flight duration calculator to compare other routes.