The flight distance from Gladstone Airport (GLT) in Gladstone, Australia to Zagreb Airport (ZAG) in Zagreb, Croatia is 15,337 kilometers (9,530 miles / 8,281 nautical miles). The estimated flight time for this route is approximately 19h, flying northwest at a heading of 313°.

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 Croatia. It is an intercontinental flight between Oceania and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:30 in Gladstone, it's 00:30 in Zagreb. With a 9-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 Zagreb (ZAG) to Gladstone (GLT) follows a heading of 74° (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 Gladstone Airport (GLT) and Zagreb Airport (ZAG) detail pages, or use our flight duration calculator to compare other routes.