The flight distance from Garasa Airport (GRL) in Au, Papua New Guinea to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 7,735 kilometers (4,807 miles / 4,177 nautical miles). The estimated flight time for this route is approximately 10h, flying west northwest at a heading of 304°.

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 Papua New Guinea with Nepal. It is an intercontinental flight between Oceania and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:53 in Au, it's 02:38 in Kathmandu. The 4.25-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,851 feet between the two airports. Tribhuvan International Airport sits higher than Garasa Airport.

The return flight from Kathmandu (KTM) to Au (GRL) follows a heading of 111° (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 Garasa Airport (GRL) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.