The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to Harry Reid International Airport (LAS) in Las Vegas, United States is 11,493 kilometers (7,142 miles / 6,206 nautical miles). The estimated flight time for this route is approximately 15h, flying northwest at a heading of 305°.

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 SH with United States. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:52 in Ascension Island, it's 15:52 in Las Vegas. With a 8-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,903 feet between the two airports. Harry Reid International Airport sits higher than RAF Ascension Island.

The return flight from Las Vegas (LAS) to Ascension Island (ASI) follows a heading of 90° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the RAF Ascension Island (ASI) and Harry Reid International Airport (LAS) detail pages, or use our flight duration calculator to compare other routes.