The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Saumlaki Airport (SXK) in Saumlaki-Yamdena Island, Indonesia is 6,335 kilometers (3,937 miles / 3,421 nautical miles). The estimated flight time for this route is approximately 8h, flying east southeast at a heading of 122°.

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

Time zone information: When it's 13:21 in Kathmandu, it's 16:36 in Saumlaki-Yamdena Island. The 3.25-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 4,172 feet between the two airports. Saumlaki Airport sits lower than Tribhuvan International Airport.

The return flight from Saumlaki-Yamdena Island (SXK) to Kathmandu (KTM) follows a heading of 311° (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 Saumlaki Airport (SXK) detail pages, or use our flight duration calculator to compare other routes.