The flight distance from Illaga Airport (ILA) in Illaga-Papua Island, Indonesia to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 6,597 kilometers (4,099 miles / 3,562 nautical miles). The estimated flight time for this route is approximately 9h, flying northwest at a heading of 306°.

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

Time zone information: When it's 00:10 in Illaga-Papua Island, it's 20:55 in Kathmandu. 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 1,917 feet between the two airports. Tribhuvan International Airport sits lower than Illaga Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Kathmandu (KTM) to Illaga-Papua Island (ILA) follows a heading of 114° (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 Illaga Airport (ILA) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.