# Distance from St Helens Airport (HLS) to St Louis (STL)

> 15,111 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,111 km / 9,389 mi / 8,159 nm
- **Estimated flight time**: 19h
- **Heading**: 73° (east northeast)
- **Return heading**: 247° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15h (When it's 16:14 in St Helens Airport, it's 01:14 in St Louis)
- **Elevation difference**: 569 ft (STL is higher than HLS)

## Airports

### [St Helens Airport (HLS)](https://www.flightduration.online/airport/hls-st-helens-airport/1ef266e0-1992-69ac-b5ce-06bb2780ed98)

- City: St Helens Airport, Australia
- ICAO: YSTH
- Timezone: Australia/Hobart
- Coordinates: -41.340000, 148.280000
- Elevation: 48 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 16:14 in St Helens Airport, it's 01:14 in St Louis.
With a 15-hour time difference, expect significant jet lag.

## Related

- [St Helens Airport (HLS)](https://www.flightduration.online/airport/hls-st-helens-airport/1ef266e0-1992-69ac-b5ce-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)