The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Sanya Phoenix International Airport (SYX) in Sanya, China is 2,668 kilometers (1,658 miles / 1,441 nautical miles). The estimated flight time for this route is approximately 4h, flying east southeast at a heading of 108°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting Nepal with China. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:29 in Kathmandu, it's 03:44 in Sanya.

There is a significant elevation difference of 4,298 feet between the two airports. Sanya Phoenix International Airport sits lower than Tribhuvan International Airport.

The return flight from Sanya (SYX) to Kathmandu (KTM) follows a heading of 297° (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 Sanya Phoenix International Airport (SYX) detail pages, or use our flight duration calculator to compare other routes.