The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Nunukan Airport (NNX) in Nunukan-Nunukan Island, Indonesia is 4,309 kilometers (2,677 miles / 2,326 nautical miles). The estimated flight time for this route is approximately 6h, 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 14:55 in Kathmandu, it's 17:10 in Nunukan-Nunukan Island.

There is a significant elevation difference of 4,338 feet between the two airports. Nunukan Airport sits lower than Tribhuvan International Airport.

The return flight from Nunukan-Nunukan Island (NNX) 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 Nunukan Airport (NNX) detail pages, or use our flight duration calculator to compare other routes.