The flight distance from Helena Regional Airport (HLN) in Helena, United States to Zagreb Airport (ZAG) in Zagreb, Croatia is 8,562 kilometers (5,320 miles / 4,623 nautical miles). The estimated flight time for this route is approximately 11h, flying northeast at a heading of 34°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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 16:14 in Helena, it's 00:14 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 3,524 feet between the two airports. Zagreb Airport sits lower than Helena Regional Airport.

The return flight from Zagreb (ZAG) to Helena (HLN) follows a heading of 326° (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 Helena Regional Airport (HLN) and Zagreb Airport (ZAG) detail pages, or use our flight duration calculator to compare other routes.