The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Oenpelli Airport (OPI) in Oenpelli Airport, Australia is 6,792 kilometers (4,220 miles / 3,667 nautical miles). The estimated flight time for this route is approximately 9h, flying southeast at a heading of 124°.

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 Australia. It is an intercontinental flight between Asia and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:37 in Kathmandu, it's 13:22 in Oenpelli Airport. The 3.75-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 4,360 feet between the two airports. Oenpelli Airport sits lower than Tribhuvan International Airport.

The return flight from Oenpelli Airport (OPI) to Kathmandu (KTM) follows a heading of 312° (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 Oenpelli Airport (OPI) detail pages, or use our flight duration calculator to compare other routes.