# Distance from Kirensk (KCK) to St Louis (STL)

> 9,146 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,146 km / 5,683 mi / 4,938 nm
- **Estimated flight time**: 12h
- **Heading**: 14° (north northeast)
- **Return heading**: 350° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Russia) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -13h (When it's 17:46 in Kirensk, it's 04:46 in St Louis)
- **Elevation difference**: 617 ft (STL is higher than KCK)

## Airports

### [Kirensk Airport (KCK)](https://www.flightduration.online/airport/kck-kirensk-kirensk-airport/1ef266df-e672-6504-af69-06bb2780ed98)

- City: Kirensk, Russia
- ICAO: UIKK
- Timezone: Asia/Irkutsk
- Coordinates: 57.770000, 108.060000
- Elevation: 0 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 17:46 in Kirensk, it's 04:46 in St Louis.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Kirensk Airport (KCK)](https://www.flightduration.online/airport/kck-kirensk-kirensk-airport/1ef266df-e672-6504-af69-06bb2780ed98)
- [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)