# Distance from Hong Kong (HKG) to St Louis (STL)

> 12,769 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,769 km / 7,934 mi / 6,895 nm
- **Estimated flight time**: 16h
- **Heading**: 21° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Hong Kong) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 03:39 in Hong Kong, it's 14:39 in St Louis)
- **Elevation difference**: 589 ft (STL is higher than HKG)

## Airports

### [Chek Lap Kok International Airport (HKG)](https://flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)

- City: Hong Kong, Hong Kong
- ICAO: VHHH
- Timezone: Asia/Hong_Kong
- Coordinates: 22.310000, 113.920000
- Elevation: 28 ft

### [St Louis Lambert International Airport (STL)](https://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 03:39 in Hong Kong, it's 14:39 in St Louis.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Chek Lap Kok International Airport (HKG)](https://flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)