The flight distance from RAAF Base Curtin (DCN) in RAAF Base Curtin, Australia to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 6,520 kilometers (4,052 miles / 3,521 nautical miles). The estimated flight time for this route is approximately 9h, flying northwest at a heading of 320°.

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 Australia 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 20:54 in RAAF Base Curtin, it's 18:39 in Kathmandu.

There is a significant elevation difference of 4,090 feet between the two airports. Tribhuvan International Airport sits higher than RAAF Base Curtin.

The return flight from Kathmandu (KTM) to RAAF Base Curtin (DCN) follows a heading of 136° (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 RAAF Base Curtin (DCN) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.