# Distance from Koumac (KOC) to St Louis (STL)

> 12,722 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,722 km / 7,905 mi / 6,869 nm
- **Estimated flight time**: 16h
- **Heading**: 56° (northeast)
- **Return heading**: 263° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (New Caledonia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -16h (When it's 18:14 in Koumac, it's 02:14 in St Louis)
- **Elevation difference**: 575 ft (STL is higher than KOC)

## Airports

### [Koumac Airport (KOC)](https://www.flightduration.online/airport/koc-koumac-koumac-airport/1ef266df-750c-66f8-93b6-06bb2780ed98)

- City: Koumac, New Caledonia
- ICAO: NWWK
- Timezone: Pacific/Noumea
- Coordinates: -20.550000, 164.260000
- Elevation: 42 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 18:14 in Koumac, it's 02:14 in St Louis.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Koumac Airport (KOC)](https://www.flightduration.online/airport/koc-koumac-koumac-airport/1ef266df-750c-66f8-93b6-06bb2780ed98)
- [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)