The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Semporna Airport (SMM) in Semporna, Malaysia is 4,363 kilometers (2,711 miles / 2,356 nautical miles). The estimated flight time for this route is approximately 6h, flying east southeast at a heading of 120°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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

Time zone information: When it's 21:39 in Kathmandu, it's 23:54 in Semporna.

There is a significant elevation difference of 4,330 feet between the two airports. Semporna Airport sits lower than Tribhuvan International Airport.

The return flight from Semporna (SMM) to Kathmandu (KTM) follows a heading of 310° (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 Semporna Airport (SMM) detail pages, or use our flight duration calculator to compare other routes.