# Distance from Fort Cavazos (Killeen) (GRK) to Zagreb (ZAG)

> 9,189 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,189 km / 5,710 mi / 4,962 nm
- **Estimated flight time**: 12h
- **Heading**: 40° (northeast)
- **Return heading**: 308° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Croatia
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 14:31 in Fort Cavazos (Killeen), it's 21:31 in Zagreb)
- **Elevation difference**: 662 ft (ZAG is lower than GRK)

## Airports

### [Robert Gray Army Air Field (GRK)](https://www.flightduration.online/airport/grk-fort-cavazos-killeen-robert-gray-army-air-field/1ef266df-1eef-6eaa-a920-06bb2780ed98)

- City: Fort Cavazos (Killeen), United States
- ICAO: KGRK
- Timezone: America/Chicago
- Coordinates: 31.100000, -97.800000
- Elevation: 1,015 ft

### [Zagreb Airport (ZAG)](https://www.flightduration.online/airport/zag-zagreb-zagreb-airport/1ef266df-43f4-691c-9d2a-06bb2780ed98)

- City: Zagreb, Croatia
- ICAO: LDZA
- Timezone: Europe/Zagreb
- Coordinates: 45.740000, 16.070000
- Elevation: 353 ft

## Route notes

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.

Time-zone information: When it's 14:31 in Fort Cavazos (Killeen), it's 21:31 in Zagreb.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Robert Gray Army Air Field (GRK)](https://www.flightduration.online/airport/grk-fort-cavazos-killeen-robert-gray-army-air-field/1ef266df-1eef-6eaa-a920-06bb2780ed98)
- [Zagreb Airport (ZAG)](https://www.flightduration.online/airport/zag-zagreb-zagreb-airport/1ef266df-43f4-691c-9d2a-06bb2780ed98)
- [Flight duration calculator](/#calculator)