# Distance from St Louis (STL) to Takhli Airport (TKH)

> 13,905 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,905 km / 8,640 mi / 7,508 nm
- **Estimated flight time**: 17h
- **Heading**: 347° (north northwest)
- **Return heading**: 10° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 02:21 in St Louis, it's 14:21 in Takhli Airport)
- **Elevation difference**: 510 ft (TKH is lower 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

### [Takhli Airport (TKH)](https://www.flightduration.online/airport/tkh-takhli-airport/1ef266df-f558-633e-b497-06bb2780ed98)

- City: Takhli Airport, Thailand
- ICAO: VTPI
- Timezone: Asia/Bangkok
- Coordinates: 15.280000, 100.300000
- Elevation: 107 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 02:21 in St Louis, it's 14:21 in Takhli Airport.
With a 12-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)
- [Takhli Airport (TKH)](https://www.flightduration.online/airport/tkh-takhli-airport/1ef266df-f558-633e-b497-06bb2780ed98)
- [Flight duration calculator](/#calculator)