The flight distance from Harry Reid International Airport (LAS) in Las Vegas, United States to Nakhon Si Thammarat Airport (NST) in Nakhon Si Thammarat, Thailand is 13,845 kilometers (8,603 miles / 7,476 nautical miles). The estimated flight time for this route is approximately 17h, flying northwest at a heading of 316°.

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

Time zone information: When it's 08:51 in Las Vegas, it's 22:51 in Nakhon Si Thammarat. 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 2,168 feet between the two airports. Nakhon Si Thammarat Airport sits lower than Harry Reid International Airport.

The return flight from Nakhon Si Thammarat (NST) to Las Vegas (LAS) follows a heading of 34° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Harry Reid International Airport (LAS) and Nakhon Si Thammarat Airport (NST) detail pages, or use our flight duration calculator to compare other routes.