The flight distance from Trieste / Ronchi Dei Legionari (TRS) in Trieste, Italy to Wellington International Airport (WLG) in Wellington, New Zealand is 18,435 kilometers (11,455 miles / 9,954 nautical miles). The estimated flight time for this route is approximately 23h, flying east northeast at a heading of 78°.

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

Time zone information: When it's 14:27 in Trieste, it's 02:27 in Wellington. With a 12-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 Wellington (WLG) to Trieste (TRS) follows a heading of 295° (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 Trieste / Ronchi Dei Legionari (TRS) and Wellington International Airport (WLG) detail pages, or use our flight duration calculator to compare other routes.