The flight distance from Adelaide International Airport (ADL) in Adelaide, Australia to Ocean Reef Club Airport (OCA) in Key Largo, United States is 16,159 kilometers (10,041 miles / 8,725 nautical miles). The estimated flight time for this route is approximately 20h, flying east at a heading of 95°.

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 United States. It is an intercontinental flight between Oceania and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:54 in Adelaide, it's 19:24 in Key Largo. With a 13.5-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 Key Largo (OCA) to Adelaide (ADL) follows a heading of 245° (west southwest). 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 Ocean Reef Club Airport (OCA) detail pages, or use our flight duration calculator to compare other routes.