The flight distance from Harry Reid International Airport (LAS) in Las Vegas, United States to Antoine De St Exupery Airport (OES) in San Antonio Oeste, Argentina is 9,956 kilometers (6,186 miles / 5,376 nautical miles). The estimated flight time for this route is approximately 13h, flying southeast at a heading of 144°.

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 05:43 in Las Vegas, it's 09:43 in San Antonio Oeste. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 2,096 feet between the two airports. Antoine De St Exupery Airport sits lower than Harry Reid International Airport.

The return flight from San Antonio Oeste (OES) to Las Vegas (LAS) follows a heading of 322° (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 Harry Reid International Airport (LAS) and Antoine De St Exupery Airport (OES) detail pages, or use our flight duration calculator to compare other routes.