The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Almirante Marco Andres Zar Airport (REL) in Rawson, Argentina is 9,213 kilometers (5,725 miles / 4,975 nautical miles). The estimated flight time for this route is approximately 12h, flying south at a heading of 171°.

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 06:35 in Washington, it's 08:35 in Rawson.

The return flight from Rawson (REL) to Washington (IAD) follows a heading of 350° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Washington Dulles International Airport (IAD) and Almirante Marco Andres Zar Airport (REL) detail pages, or use our flight duration calculator to compare other routes.