The flight distance from Tokyo International Airport (HND) in Tokyo, Japan to Kilkenny Airport (KKY) in Kilkenny, Ireland is 9,703 kilometers (6,029 miles / 5,239 nautical miles). The estimated flight time for this route is approximately 12h, flying north northwest at a heading of 341°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Japan with Ireland. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:23 in Tokyo, it's 19:23 in Kilkenny. With a 8-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Kilkenny (KKY) to Tokyo (HND) follows a heading of 26° (north 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 Tokyo International Airport (HND) and Kilkenny Airport (KKY) detail pages, or use our flight duration calculator to compare other routes.