# Distance from Ban Mak Khaen (BAO) to St Louis (STL)

> 13,625 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,625 km / 8,466 mi / 7,357 nm
- **Estimated flight time**: 17h
- **Heading**: 12° (north northeast)
- **Return heading**: 345° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 16:31 in Ban Mak Khaen, it's 04:31 in St Louis)
- **Elevation difference**: 617 ft (STL is higher than BAO)

## Airports

### [Udorn Air Base (BAO)](https://www.flightduration.online/airport/bao-ban-mak-khaen-udorn-air-base/1ef266df-f54c-6bd8-8e30-06bb2780ed98)

- City: Ban Mak Khaen, Thailand
- ICAO: VTED
- Timezone: Asia/Bangkok
- Coordinates: 17.380000, 102.800000
- Elevation: 0 ft

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 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 16:31 in Ban Mak Khaen, it's 04:31 in St Louis.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Udorn Air Base (BAO)](https://www.flightduration.online/airport/bao-ban-mak-khaen-udorn-air-base/1ef266df-f54c-6bd8-8e30-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)