The flight distance from Rome State Airport (REO) in Rome, United States to Zagreb Airport (ZAG) in Zagreb, Croatia is 9,191 kilometers (5,711 miles / 4,963 nautical miles). The estimated flight time for this route is approximately 12h, flying north northeast at a heading of 30°.

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

Time zone information: When it's 11:10 in Rome, it's 19:10 in Zagreb. 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.

There is a significant elevation difference of 3,700 feet between the two airports. Zagreb Airport sits lower than Rome State Airport.

The return flight from Zagreb (ZAG) to Rome (REO) follows a heading of 328° (north 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 Rome State Airport (REO) and Zagreb Airport (ZAG) detail pages, or use our flight duration calculator to compare other routes.