The flight distance from Iwakuni Marine Corps Air Station (IWK) in Iwakuni, Japan to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 4,490 kilometers (2,790 miles / 2,424 nautical miles). The estimated flight time for this route is approximately 6h, flying west at a heading of 274°.

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 Japan with Nepal. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 07:51 in Iwakuni, it's 04:36 in Kathmandu. 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 4,383 feet between the two airports. Tribhuvan International Airport sits higher than Iwakuni Marine Corps Air Station.

The return flight from Kathmandu (KTM) to Iwakuni (IWK) follows a heading of 69° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Iwakuni Marine Corps Air Station (IWK) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.