The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Naha Airport (OKA) in Naha, Japan is 4,174 kilometers (2,594 miles / 2,254 nautical miles). The estimated flight time for this route is approximately 6h, flying east at a heading of 82°.

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

Time zone information: When it's 18:52 in Kathmandu, it's 22:07 in Naha. 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 4,378 feet between the two airports. Naha Airport sits lower than Tribhuvan International Airport.

The return flight from Naha (OKA) to Kathmandu (KTM) follows a heading of 282° (west 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 Naha Airport (OKA) detail pages, or use our flight duration calculator to compare other routes.