The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Nakhon Ratchasima Airport (NAK) in Nakhon Ratchasima Airport, Thailand is 2,252 kilometers (1,399 miles / 1,216 nautical miles). The estimated flight time for this route is approximately 4h, flying southeast at a heading of 126°.

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 Thailand. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:30 in Kathmandu, it's 00:45 in Nakhon Ratchasima Airport.

There is a significant elevation difference of 3,625 feet between the two airports. Nakhon Ratchasima Airport sits lower than Tribhuvan International Airport.

The return flight from Nakhon Ratchasima Airport (NAK) to Kathmandu (KTM) follows a heading of 312° (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 Nakhon Ratchasima Airport (NAK) detail pages, or use our flight duration calculator to compare other routes.