# Distance from St Louis (STL) to Tachileik (THL)

> 13,342 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,342 km / 8,290 mi / 7,204 nm
- **Estimated flight time**: 17h
- **Heading**: 349° (north)
- **Return heading**: 9° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Myanmar
- **Intercontinental**: North America → Asia
- **Time difference**: +11.5h (When it's 10:22 in St Louis, it's 21:52 in Tachileik)
- **Elevation difference**: 663 ft (THL is higher than STL)

## Airports

### [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

### [Tachileik Airport (THL)](https://www.flightduration.online/airport/thl-tachileik-tachileik-airport/1ef266df-f7d7-672c-b123-06bb2780ed98)

- City: Tachileik, Myanmar
- ICAO: VYTL
- Timezone: Asia/Yangon
- Coordinates: 20.480000, 99.940000
- Elevation: 1,280 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 10:22 in St Louis, it's 21:52 in Tachileik.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Tachileik Airport (THL)](https://www.flightduration.online/airport/thl-tachileik-tachileik-airport/1ef266df-f7d7-672c-b123-06bb2780ed98)
- [Flight duration calculator](/#calculator)