The flight distance from Zagreb Airport (ZAG) in Zagreb, Croatia to Serui Airport (ZRI) in Serui-Japen Island, Indonesia is 12,450 kilometers (7,736 miles / 6,722 nautical miles). The estimated flight time for this route is approximately 16h, flying east northeast at a heading of 69°.

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

Time zone information: When it's 12:23 in Zagreb, it's 20:23 in Serui-Japen Island. With a 8-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 Serui-Japen Island (ZRI) to Zagreb (ZAG) follows a heading of 319° (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 Zagreb Airport (ZAG) and Serui Airport (ZRI) detail pages, or use our flight duration calculator to compare other routes.