# Distance from Houailou (HLU) to St Louis (STL)

> 12,650 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,650 km / 7,860 mi / 6,830 nm
- **Estimated flight time**: 16h
- **Heading**: 56° (northeast)
- **Return heading**: 261° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (New Caledonia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -16h (When it's 03:02 in Houailou, it's 11:02 in St Louis)
- **Elevation difference**: 607 ft (STL is higher than HLU)

## Airports

### [Nesson Airport (HLU)](https://www.flightduration.online/airport/hlu-houailou-nesson-airport/1ef266df-7508-6c9c-9973-06bb2780ed98)

- City: Houailou, New Caledonia
- ICAO: NWWH
- Timezone: Pacific/Noumea
- Coordinates: -21.260000, 165.620000
- Elevation: 10 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 03:02 in Houailou, it's 11:02 in St Louis.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Nesson Airport (HLU)](https://www.flightduration.online/airport/hlu-houailou-nesson-airport/1ef266df-7508-6c9c-9973-06bb2780ed98)
- [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)