# Distance from Aitape (ATP) to St Louis (STL)

> 13,387 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,387 km / 8,318 mi / 7,229 nm
- **Estimated flight time**: 17h
- **Heading**: 46° (northeast)
- **Return heading**: 293° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Papua New Guinea) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15h (When it's 06:50 in Aitape, it's 15:50 in St Louis)
- **Elevation difference**: 607 ft (STL is higher than ATP)

## Airports

### [Aitape Airport (ATP)](https://www.flightduration.online/airport/atp-aitape-aitape-airport/1ef266de-9ad9-6d5a-935a-06bb2780ed98)

- City: Aitape, Papua New Guinea
- ICAO: AYAI
- Timezone: Pacific/Port_Moresby
- Coordinates: -3.140000, 142.350000
- 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 06:50 in Aitape, it's 15:50 in St Louis.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Aitape Airport (ATP)](https://www.flightduration.online/airport/atp-aitape-aitape-airport/1ef266de-9ad9-6d5a-935a-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)