# Distance from Zonguldak (ONQ) to St Louis (STL)

> 9,360 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,360 km / 5,816 mi / 5,054 nm
- **Estimated flight time**: 12h
- **Heading**: 319° (northwest)
- **Return heading**: 39° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Turkey) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -8h (When it's 21:12 in Zonguldak, it's 13:12 in St Louis)
- **Elevation difference**: 578 ft (STL is higher than ONQ)

## Airports

### [Zonguldak Airport (ONQ)](https://www.flightduration.online/airport/onq-zonguldak-zonguldak-airport/1ef266df-585e-6bfa-aa72-06bb2780ed98)

- City: Zonguldak, Turkey
- ICAO: LTAS
- Timezone: Europe/Istanbul
- Coordinates: 41.510000, 32.090000
- Elevation: 39 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 21:12 in Zonguldak, it's 13:12 in St Louis.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Zonguldak Airport (ONQ)](https://www.flightduration.online/airport/onq-zonguldak-zonguldak-airport/1ef266df-585e-6bfa-aa72-06bb2780ed98)
- [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)