The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Lock Airport (LOC) in Lock, Australia is 8,632 kilometers (5,364 miles / 4,661 nautical miles). The estimated flight time for this route is approximately 11h, flying southeast at a heading of 139°.

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 09:40 in Kathmandu, it's 14:25 in Lock. The 4.75-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 4,040 feet between the two airports. Lock Airport sits lower than Tribhuvan International Airport.

The return flight from Lock (LOC) to Kathmandu (KTM) follows a heading of 316° (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 Lock Airport (LOC) detail pages, or use our flight duration calculator to compare other routes.