The flight distance from Kochi Ryoma Airport (KCZ) in Nankoku, Japan to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 4,627 kilometers (2,875 miles / 2,498 nautical miles). The estimated flight time for this route is approximately 6h, flying west at a heading of 275°.

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 17:48 in Nankoku, it's 14:33 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 4,348 feet between the two airports. Tribhuvan International Airport sits higher than Kochi Ryoma Airport.

The return flight from Kathmandu (KTM) to Nankoku (KCZ) follows a heading of 70° (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 Kochi Ryoma Airport (KCZ) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.