# Distance from Bangkok (BKK) to St Louis (SUS)

> 14,076 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,076 km / 8,746 mi / 7,600 nm
- **Estimated flight time**: 18h
- **Heading**: 11° (north)
- **Return heading**: 346° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 13:45 in Bangkok, it's 01:45 in St Louis)
- **Elevation difference**: 458 ft (SUS 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

### [Spirit Of St Louis Airport (SUS)](https://www.flightduration.online/airport/sus-st-louis-spirit-of-st-louis-airport/1ef266df-39cb-68e6-9ab2-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSUS
- Timezone: America/Chicago
- Coordinates: 38.660000, -90.650000
- Elevation: 463 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 13:45 in Bangkok, it's 01:45 in St Louis.
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)
- [Spirit Of St Louis Airport (SUS)](https://www.flightduration.online/airport/sus-st-louis-spirit-of-st-louis-airport/1ef266df-39cb-68e6-9ab2-06bb2780ed98)
- [Flight duration calculator](/#calculator)