The flight distance from Portland International Airport (PDX) in Portland, United States to Rio Mayo Airport (ROY) in Rio Mayo, Argentina is 11,373 kilometers (7,067 miles / 6,141 nautical miles). The estimated flight time for this route is approximately 14h, flying southeast at a heading of 146°.

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

Time zone information: When it's 13:48 in Portland, it's 18:48 in Rio Mayo. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,753 feet between the two airports. Rio Mayo Airport sits higher than Portland International Airport.

The return flight from Rio Mayo (ROY) to Portland (PDX) follows a heading of 325° (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 Portland International Airport (PDX) and Rio Mayo Airport (ROY) detail pages, or use our flight duration calculator to compare other routes.