# Distance from Belgrad (BEG) to Fort Cavazos (Killeen) (GRK)

> 9,511 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,511 km / 5,910 mi / 5,135 nm
- **Estimated flight time**: 12h
- **Heading**: 311° (northwest)
- **Return heading**: 39° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Serbia) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -7h (When it's 09:36 in Belgrad, it's 02:36 in Fort Cavazos (Killeen))
- **Elevation difference**: 680 ft (GRK is higher than BEG)

## Airports

### [Belgrade Nikola Tesla Airport (BEG)](https://flightduration.online/airport/beg-belgrad-belgrade-nikola-tesla-airport/1ef266df-5997-663e-8830-06bb2780ed98)

- City: Belgrad, Serbia
- ICAO: LYBE
- Timezone: Europe/Belgrade
- Coordinates: 44.820000, 20.310000
- Elevation: 335 ft

### [Robert Gray Army Air Field (GRK)](https://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

## 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 09:36 in Belgrad, it's 02:36 in Fort Cavazos (Killeen).
With a 7-hour time difference, expect significant jet lag.

## Related

- [Belgrade Nikola Tesla Airport (BEG)](https://flightduration.online/airport/beg-belgrad-belgrade-nikola-tesla-airport/1ef266df-5997-663e-8830-06bb2780ed98)
- [Robert Gray Army Air Field (GRK)](https://flightduration.online/airport/grk-fort-cavazos-killeen-robert-gray-army-air-field/1ef266df-1eef-6eaa-a920-06bb2780ed98)
- [Flight duration calculator](/#calculator)