The flight distance from Tokyo International Airport (HND) in Tokyo, Japan to Rio Mayo Airport (ROY) in Rio Mayo, Argentina is 17,262 kilometers (10,726 miles / 9,321 nautical miles). The estimated flight time for this route is approximately 21h, flying east southeast at a heading of 123°.

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 Argentina. It is an intercontinental flight between Asia and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:42 in Tokyo, it's 20:42 in Rio Mayo. With a 12-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,749 feet between the two airports. Rio Mayo Airport sits higher than Tokyo International Airport.

The return flight from Rio Mayo (ROY) to Tokyo (HND) follows a heading of 256° (west southwest). 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 Rio Mayo Airport (ROY) detail pages, or use our flight duration calculator to compare other routes.