The flight distance from General Edward Lawrence Logan International Airport (BOS) in Boston, United States to Kalgoorlie Boulder Airport (KGI) in Kalgoorlie, Australia is 18,317 kilometers (11,382 miles / 9,891 nautical miles). The estimated flight time for this route is approximately 23h, flying northwest at a heading of 315°.

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 13:57 in Boston, it's 02:57 in Kalgoorlie. With a 13-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 1,184 feet between the two airports. Kalgoorlie Boulder Airport sits higher than General Edward Lawrence Logan International Airport.

The return flight from Kalgoorlie (KGI) to Boston (BOS) follows a heading of 37° (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 General Edward Lawrence Logan International Airport (BOS) and Kalgoorlie Boulder Airport (KGI) detail pages, or use our flight duration calculator to compare other routes.