# Distance from St Louis (STL) to Quirindi Airport (UIR)

> 14,520 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,520 km / 9,023 mi / 7,840 nm
- **Estimated flight time**: 18h
- **Heading**: 259° (west)
- **Return heading**: 64° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +15h (When it's 05:25 in St Louis, it's 20:25 in Quirindi Airport)
- **Elevation difference**: 437 ft (UIR is higher than STL)

## Airports

### [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

### [Quirindi Airport (UIR)](https://www.flightduration.online/airport/uir-quirindi-airport/1ef266e0-17ad-64f2-bced-06bb2780ed98)

- City: Quirindi Airport, Australia
- ICAO: YQDI
- Timezone: Australia/Sydney
- Coordinates: -31.490000, 150.510000
- Elevation: 1,054 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 05:25 in St Louis, it's 20:25 in Quirindi Airport.
With a 15-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Quirindi Airport (UIR)](https://www.flightduration.online/airport/uir-quirindi-airport/1ef266e0-17ad-64f2-bced-06bb2780ed98)
- [Flight duration calculator](/#calculator)