The flight distance from Nakhon Phanom Airport (KOP) in Nakhon Phanom Airport, Thailand to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 2,284 kilometers (1,419 miles / 1,233 nautical miles). The estimated flight time for this route is approximately 4h, flying west northwest at a heading of 304°.

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

Time zone information: When it's 04:00 in Nakhon Phanom Airport, it's 02:45 in Kathmandu.

There is a significant elevation difference of 3,803 feet between the two airports. Tribhuvan International Airport sits higher than Nakhon Phanom Airport.

The return flight from Kathmandu (KTM) to Nakhon Phanom Airport (KOP) follows a heading of 116° (east southeast). 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 Phanom Airport (KOP) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.