# Distance from Kengtung (KET) to St Louis (STL)

> 13,257 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,257 km / 8,237 mi / 7,158 nm
- **Estimated flight time**: 17h
- **Heading**: 9° (north)
- **Return heading**: 349° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Myanmar) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 08:21 in Kengtung, it's 20:51 in St Louis)
- **Elevation difference**: 2,181 ft (STL is lower than KET)

## Airports

### [Kengtung Airport (KET)](https://www.flightduration.online/airport/ket-kengtung-kengtung-airport/1ef266df-f6ed-64ce-a8b7-06bb2780ed98)

- City: Kengtung, Myanmar
- ICAO: VYKG
- Timezone: Asia/Yangon
- Coordinates: 21.300000, 99.640000
- Elevation: 2,798 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 08:21 in Kengtung, it's 20:51 in St Louis.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Kengtung Airport (KET)](https://www.flightduration.online/airport/ket-kengtung-kengtung-airport/1ef266df-f6ed-64ce-a8b7-06bb2780ed98)
- [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)