# Distance from Atiu Island (AIU) to St Louis (STL)

> 9,601 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,601 km / 5,966 mi / 5,184 nm
- **Estimated flight time**: 12h
- **Heading**: 46° (northeast)
- **Return heading**: 241° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (CK) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: +5h (When it's 11:29 in Atiu Island, it's 16:29 in St Louis)
- **Elevation difference**: 581 ft (STL is higher than AIU)

## Airports

### [Enua Airport (AIU)](https://www.flightduration.online/airport/aiu-atiu-island-enua-airport/1ef266df-6e67-660e-ad82-06bb2780ed98)

- City: Atiu Island, CK
- ICAO: NCAT
- Timezone: Pacific/Rarotonga
- Coordinates: -19.970000, -158.120000
- Elevation: 36 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 11:29 in Atiu Island, it's 16:29 in St Louis.
The 5-hour time difference may cause some jet lag.

## Related

- [Enua Airport (AIU)](https://www.flightduration.online/airport/aiu-atiu-island-enua-airport/1ef266df-6e67-660e-ad82-06bb2780ed98)
- [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)