The flight distance from Grand Junction Regional Airport (GJT) in Grand Junction, United States to Perth International Airport (PER) in Perth, Australia is 15,951 kilometers (9,912 miles / 8,613 nautical miles). The estimated flight time for this route is approximately 20h, flying west at a heading of 267°.

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

Time zone information: When it's 08:55 in Grand Junction, it's 23:55 in Perth. With a 15-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 4,794 feet between the two airports. Perth International Airport sits lower than Grand Junction Regional Airport.

The return flight from Perth (PER) to Grand Junction (GJT) follows a heading of 66° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Grand Junction Regional Airport (GJT) and Perth International Airport (PER) detail pages, or use our flight duration calculator to compare other routes.