The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Antoine De St Exupery Airport (OES) in San Antonio Oeste, Argentina is 8,947 kilometers (5,559 miles / 4,831 nautical miles). The estimated flight time for this route is approximately 12h, flying south at a heading of 170°.

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 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 21:41 in Washington, it's 23:41 in San Antonio Oeste.

The return flight from San Antonio Oeste (OES) 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 Antoine De St Exupery Airport (OES) detail pages, or use our flight duration calculator to compare other routes.