The flight distance from Harry Reid International Airport (LAS) in Las Vegas, United States to Santa Teresita Airport (SST) in Santa Teresita, Argentina is 10,076 kilometers (6,261 miles / 5,440 nautical miles). The estimated flight time for this route is approximately 13h, flying southeast at a heading of 137°.

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 12:50 in Las Vegas, it's 16:50 in Santa Teresita. 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 2,172 feet between the two airports. Santa Teresita Airport sits lower than Harry Reid International Airport.

The return flight from Santa Teresita (SST) to Las Vegas (LAS) follows a heading of 316° (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 Santa Teresita Airport (SST) detail pages, or use our flight duration calculator to compare other routes.