# Distance from St Louis (STL) to Telfer Airport (TEF)

> 16,384 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,384 km / 10,181 mi / 8,847 nm
- **Estimated flight time**: 20h
- **Heading**: 292° (west northwest)
- **Return heading**: 51° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +13h (When it's 22:05 in St Louis, it's 11:05 in Telfer Airport)
- **Elevation difference**: 353 ft (TEF 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

### [Telfer Airport (TEF)](https://www.flightduration.online/airport/tef-telfer-airport/1ef266e0-1a1a-6d20-91b2-06bb2780ed98)

- City: Telfer Airport, Australia
- ICAO: YTEF
- Timezone: Australia/Perth
- Coordinates: -21.710000, 122.230000
- Elevation: 970 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 22:05 in St Louis, it's 11:05 in Telfer Airport.
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)
- [Telfer Airport (TEF)](https://www.flightduration.online/airport/tef-telfer-airport/1ef266e0-1a1a-6d20-91b2-06bb2780ed98)
- [Flight duration calculator](/#calculator)