# Distance from Bost (BST) to St Louis (STL)

> 11,771 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,771 km / 7,314 mi / 6,356 nm
- **Estimated flight time**: 15h
- **Heading**: 340° (north northwest)
- **Return heading**: 22° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Afghanistan) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.5h (When it's 13:47 in Bost, it's 04:17 in St Louis)
- **Elevation difference**: 1,847 ft (STL is lower than BST)

## Airports

### [Bost Airport (BST)](https://www.flightduration.online/airport/bst-bost-bost-airport/1ef266df-7893-6254-9e77-06bb2780ed98)

- City: Bost, Afghanistan
- ICAO: OABT
- Timezone: Asia/Kabul
- Coordinates: 31.560000, 64.360000
- Elevation: 2,464 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 13:47 in Bost, it's 04:17 in St Louis.
With a 9.5-hour time difference, expect significant jet lag.

## Related

- [Bost Airport (BST)](https://www.flightduration.online/airport/bst-bost-bost-airport/1ef266df-7893-6254-9e77-06bb2780ed98)
- [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)