# Distance from Bangkok (BKK) to Birch Creek (KBC)

> 9,619 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,619 km / 5,977 mi / 5,194 nm
- **Estimated flight time**: 12h
- **Heading**: 22° (north northeast)
- **Return heading**: 297° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 21:46 in Bangkok, it's 06:46 in Birch Creek)
- **Elevation difference**: 435 ft (KBC 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

### [Birch Creek Airport (KBC)](https://www.flightduration.online/airport/kbc-birch-creek-birch-creek-airport/1ef266df-41d1-6e14-a994-06bb2780ed98)

- City: Birch Creek, United States
- ICAO: KZ91
- Timezone: America/Anchorage
- Coordinates: 66.270000, -145.820000
- Elevation: 440 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 21:46 in Bangkok, it's 06:46 in Birch Creek.
With a 15-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)
- [Birch Creek Airport (KBC)](https://www.flightduration.online/airport/kbc-birch-creek-birch-creek-airport/1ef266df-41d1-6e14-a994-06bb2780ed98)
- [Flight duration calculator](/#calculator)