# Distance from Bangkok (BKK) to Chehalis (CLS)

> 12,013 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,013 km / 7,465 mi / 6,487 nm
- **Estimated flight time**: 15h
- **Heading**: 30° (north northeast)
- **Return heading**: 315° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 02:03 in Bangkok, it's 12:03 in Chehalis)
- **Elevation difference**: 172 ft (CLS 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

### [Chehalis-Centralia Airport (CLS)](https://www.flightduration.online/airport/cls-chehalis-chehalis-centralia-airport/1ef266df-1444-633e-a180-06bb2780ed98)

- City: Chehalis, United States
- ICAO: KCLS
- Timezone: America/Los_Angeles
- Coordinates: 46.680000, -122.980000
- Elevation: 177 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 02:03 in Bangkok, it's 12:03 in Chehalis.
With a 14-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)
- [Chehalis-Centralia Airport (CLS)](https://www.flightduration.online/airport/cls-chehalis-chehalis-centralia-airport/1ef266df-1444-633e-a180-06bb2780ed98)
- [Flight duration calculator](/#calculator)