# Distance from Bangkok (BKK) to Fort Cavazos (Killeen) (GRK)

> 14,656 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,656 km / 9,107 mi / 7,914 nm
- **Estimated flight time**: 18h
- **Heading**: 21° (north northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 11:44 in Bangkok, it's 23:44 in Fort Cavazos (Killeen))
- **Elevation difference**: 1,010 ft (GRK is higher than BKK)

## Airports

### [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)

- City: Bangkok, Thailand
- ICAO: VTBS
- Timezone: Asia/Bangkok
- Coordinates: 13.680000, 100.750000
- Elevation: 5 ft

### [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

## 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 11:44 in Bangkok, it's 23:44 in Fort Cavazos (Killeen).
With a 12-hour time difference, expect significant jet lag.

## Related

- [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)
- [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)
- [Flight duration calculator](/#calculator)