The flight distance from Armidale Airport (ARM) in Armidale, Australia to Chicago O'Hare International Airport (ORD) in Chicago, United States is 14,638 kilometers (9,096 miles / 7,904 nautical miles). The estimated flight time for this route is approximately 18h, 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 23:55 in Armidale, it's 06:55 in Chicago. With a 17-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 2,876 feet between the two airports. Chicago O'Hare International Airport sits lower than Armidale Airport.

The return flight from Chicago (ORD) to Armidale (ARM) follows a heading of 263° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Armidale Airport (ARM) and Chicago O'Hare International Airport (ORD) detail pages, or use our flight duration calculator to compare other routes.