ADL
Adelaide
Australia
14,460 km
8,985 miles
ASI
Ascension Island
SH
Distance
14,460 km
8,985 mi / 7,808 nm
Est. Flight Time
18h
Ultra-long-haul route
Time Difference
-10.5h
Australia/Adelaide
Heading
216°
southwest

Airport Comparison

ADL ASI
Airport Name Adelaide International Airport RAF Ascension Island
IATA Code ADL ASI
ICAO Code YPAD FHAW
City Adelaide Ascension Island
Country Australia SH
Timezone Australia/Adelaide Atlantic/St_Helena
Elevation 20 ft 278 ft
Coordinates -34.950000, 138.530000 -7.970000, -14.390000

Adelaide (ADL) to Ascension Island (ASI) Flight Distance

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 15:32 in Adelaide, it's 05:02 in Ascension Island. With a 10.5-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.

Calculate Flight Time Between Airports

Use our flight time calculator to find distances and estimated flight travel times between cities. Calculate flight duration for any airport pair worldwide.