The flight distance from Adelaide International Airport (ADL) in Adelaide, Australia to RAF Ascension Island (ASI) in Ascension Island, SH is 14,460 kilometers (8,985 miles / 7,808 nautical miles). The estimated flight time for this route is approximately 18h, flying southwest at a heading of 216°.

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

Time zone information: When it's 02:23 in Adelaide, it's 16:53 in Ascension Island. With a 9.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Ascension Island (ASI) to Adelaide (ADL) follows a heading of 151° (south southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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