# Distance from Arvaikheer (AVK) to St Louis (STL)

> 10,473 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,473 km / 6,508 mi / 5,655 nm
- **Estimated flight time**: 13h
- **Heading**: 10° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Mongolia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 08:33 in Arvaikheer, it's 19:33 in St Louis)
- **Elevation difference**: 5,315 ft (STL is lower than AVK)

## Airports

### [Arvaikheer Airport (AVK)](https://www.flightduration.online/airport/avk-arvaikheer-arvaikheer-airport/1ef266e0-1f4f-621e-8132-06bb2780ed98)

- City: Arvaikheer, Mongolia
- ICAO: ZMAH
- Timezone: Asia/Ulaanbaatar
- Coordinates: 46.250000, 102.800000
- Elevation: 5,932 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 08:33 in Arvaikheer, it's 19:33 in St Louis.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Arvaikheer Airport (AVK)](https://www.flightduration.online/airport/avk-arvaikheer-arvaikheer-airport/1ef266e0-1f4f-621e-8132-06bb2780ed98)
- [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)