The flight distance from Khok Kathiam Airport (KKM) in Khok Kathiam Airport, Thailand to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 2,129 kilometers (1,323 miles / 1,149 nautical miles). The estimated flight time for this route is approximately 4h, flying northwest at a heading of 315°.

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 15:17 in Khok Kathiam Airport, it's 14:02 in Kathmandu.

There is a significant elevation difference of 4,267 feet between the two airports. Tribhuvan International Airport sits higher than Khok Kathiam Airport.

The return flight from Kathmandu (KTM) to Khok Kathiam Airport (KKM) follows a heading of 129° (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 Khok Kathiam Airport (KKM) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.