# Distance from St Louis (STL) to Yalgoo (YLG)

> 17,269 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,269 km / 10,730 mi / 9,324 nm
- **Estimated flight time**: 21h
- **Heading**: 287° (west northwest)
- **Return heading**: 58° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +13h (When it's 00:25 in St Louis, it's 13:25 in Yalgoo)
- **Elevation difference**: 617 ft (YLG is lower 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

### [Yalgoo Airport (YLG)](https://www.flightduration.online/airport/ylg-yalgoo-yalgoo-airport/1ef266e0-1d89-60a6-a3c2-06bb2780ed98)

- City: Yalgoo, Australia
- ICAO: YYAL
- Timezone: Australia/Perth
- Coordinates: -28.360000, 116.680000
- Elevation: 0 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 00:25 in St Louis, it's 13:25 in Yalgoo.
With a 13-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)
- [Yalgoo Airport (YLG)](https://www.flightduration.online/airport/ylg-yalgoo-yalgoo-airport/1ef266e0-1d89-60a6-a3c2-06bb2780ed98)
- [Flight duration calculator](/#calculator)