# Distance from St Louis (STL) to Wonju (WJU)

> 10,679 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,679 km / 6,636 mi / 5,766 nm
- **Estimated flight time**: 14h
- **Heading**: 330° (north northwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 17:57 in St Louis, it's 07:57 in Wonju)
- **Elevation difference**: 288 ft (WJU is lower than STL)

## Airports

### [St Louis Lambert International Airport (STL)](https://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

### [Wonju Airport (WJU)](https://flightduration.online/airport/wju-wonju-wonju-airport/1ef266df-8dc2-62ec-9812-06bb2780ed98)

- City: Wonju, South Korea
- ICAO: RKNW
- Timezone: Asia/Seoul
- Coordinates: 37.440000, 127.960000
- Elevation: 329 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 17:57 in St Louis, it's 07:57 in Wonju.
With a 14-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Wonju Airport (WJU)](https://flightduration.online/airport/wju-wonju-wonju-airport/1ef266df-8dc2-62ec-9812-06bb2780ed98)
- [Flight duration calculator](/#calculator)