The flight distance from Adelaide International Airport (ADL) in Adelaide, Australia to Mount Washington Regional Airport (HIE) in Whitefield, United States is 17,255 kilometers (10,722 miles / 9,317 nautical miles). The estimated flight time for this route is approximately 21h, flying east northeast at a heading of 59°.

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 13:23 in Adelaide, it's 21:53 in Whitefield. With a 15.5-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 1,052 feet between the two airports. Mount Washington Regional Airport sits higher than Adelaide International Airport.

The return flight from Whitefield (HIE) to Adelaide (ADL) follows a heading of 282° (west 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 Adelaide International Airport (ADL) and Mount Washington Regional Airport (HIE) detail pages, or use our flight duration calculator to compare other routes.