The flight distance from Nakhon Si Thammarat Airport (NST) in Nakhon Si Thammarat, Thailand to Phoenix Sky Harbor International Airport (PHX) in Phoenix, United States is 14,256 kilometers (8,858 miles / 7,697 nautical miles). The estimated flight time for this route is approximately 18h, flying northeast at a heading of 34°.

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 Thailand with United States. It is an intercontinental flight between Asia and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:20 in Nakhon Si Thammarat, it's 13:20 in Phoenix. With a 14-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 1,122 feet between the two airports. Phoenix Sky Harbor International Airport sits higher than Nakhon Si Thammarat Airport.

The return flight from Phoenix (PHX) to Nakhon Si Thammarat (NST) follows a heading of 318° (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 Nakhon Si Thammarat Airport (NST) and Phoenix Sky Harbor International Airport (PHX) detail pages, or use our flight duration calculator to compare other routes.