The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Okierabu Airport (OKE) in Okierabu Airport, Japan is 4,249 kilometers (2,640 miles / 2,295 nautical miles). The estimated flight time for this route is approximately 6h, flying east at a heading of 80°.

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 11:57 in Kathmandu, it's 15:12 in Okierabu Airport. 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 4,289 feet between the two airports. Okierabu Airport sits lower than Tribhuvan International Airport.

The return flight from Okierabu Airport (OKE) to Kathmandu (KTM) follows a heading of 281° (west). 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 Okierabu Airport (OKE) detail pages, or use our flight duration calculator to compare other routes.