# Distance from Khoy (KHY) to St Louis (STL)

> 10,298 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,298 km / 6,399 mi / 5,560 nm
- **Estimated flight time**: 13h
- **Heading**: 327° (north northwest)
- **Return heading**: 33° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Iran) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -8.5h (When it's 07:52 in Khoy, it's 23:22 in St Louis)
- **Elevation difference**: 3,364 ft (STL is lower than KHY)

## Airports

### [Khoy Airport (KHY)](https://www.flightduration.online/airport/khy-khoy-khoy-airport/1ef266df-7e65-66b4-89bc-06bb2780ed98)

- City: Khoy, Iran
- ICAO: OITK
- Timezone: Asia/Tehran
- Coordinates: 38.430000, 44.970000
- Elevation: 3,981 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 07:52 in Khoy, it's 23:22 in St Louis.
With a 8.5-hour time difference, expect significant jet lag.

## Related

- [Khoy Airport (KHY)](https://www.flightduration.online/airport/khy-khoy-khoy-airport/1ef266df-7e65-66b4-89bc-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)