# Distance from Bangkok (BKK) to St Mary'S (KSM)

> 8,973 km · estimated flight time 12h · Long-haul route.

## Summary

- **Distance**: 8,973 km / 5,575 mi / 4,845 nm
- **Estimated flight time**: 12h
- **Heading**: 28° (north northeast)
- **Return heading**: 282° (west northwest)
- **Classification**: Long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 11:33 in Bangkok, it's 20:33 in St Mary'S)
- **Elevation difference**: 309 ft (KSM is higher than BKK)

## Airports

### [Suvarnabhumi Airport (BKK)](https://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

### [St Mary's Airport (KSM)](https://flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)

- City: St Mary'S, United States
- ICAO: PASM
- Timezone: America/Nome
- Coordinates: 62.060000, -163.300000
- Elevation: 314 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 11:33 in Bangkok, it's 20:33 in St Mary'S.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Suvarnabhumi Airport (BKK)](https://flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)
- [St Mary's Airport (KSM)](https://flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)
- [Flight duration calculator](/#calculator)