# Distance from St Louis (STL) to Puerto Williams (WPU)

> 10,639 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,639 km / 6,611 mi / 5,745 nm
- **Estimated flight time**: 14h
- **Heading**: 167° (south southeast)
- **Return heading**: 342° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Chile
- **Intercontinental**: North America → South America
- **Time difference**: +1h (When it's 23:35 in St Louis, it's 00:35 in Puerto Williams)
- **Elevation difference**: 529 ft (WPU 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

### [Guardiamarina Zanartu Airport (WPU)](https://www.flightduration.online/airport/wpu-puerto-williams-guardiamarina-zanartu-airport/1ef266df-9aa6-65a8-98e0-06bb2780ed98)

- City: Puerto Williams, Chile
- ICAO: SCGZ
- Timezone: America/Santiago
- Coordinates: -54.930000, -67.630000
- Elevation: 88 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 23:35 in St Louis, it's 00:35 in Puerto Williams.

## 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)
- [Guardiamarina Zanartu Airport (WPU)](https://www.flightduration.online/airport/wpu-puerto-williams-guardiamarina-zanartu-airport/1ef266df-9aa6-65a8-98e0-06bb2780ed98)
- [Flight duration calculator](/#calculator)