The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Serui Airport (ZRI) in Serui-Japen Island, Indonesia is 6,350 kilometers (3,946 miles / 3,429 nautical miles). The estimated flight time for this route is approximately 8h, flying east southeast at a heading of 113°.

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 00:00 in Kathmandu, it's 03:15 in Serui-Japen 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 4,340 feet between the two airports. Serui Airport sits lower than Tribhuvan International Airport.

The return flight from Serui-Japen Island (ZRI) to Kathmandu (KTM) follows a heading of 305° (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 Serui Airport (ZRI) detail pages, or use our flight duration calculator to compare other routes.