# Distance from Asmara (ASM) to St Louis (STL)

> 12,024 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,024 km / 7,471 mi / 6,492 nm
- **Estimated flight time**: 15h
- **Heading**: 321° (northwest)
- **Return heading**: 52° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Eritrea) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 06:39 in Asmara, it's 22:39 in St Louis)
- **Elevation difference**: 7,044 ft (STL is lower than ASM)

## Airports

### [Asmara International Airport (ASM)](https://www.flightduration.online/airport/asm-asmara-asmara-international-airport/1ef266de-eba3-6f4c-854f-06bb2780ed98)

- City: Asmara, Eritrea
- ICAO: HHAS
- Timezone: Africa/Asmara
- Coordinates: 15.290000, 38.910000
- Elevation: 7,661 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 06:39 in Asmara, it's 22:39 in St Louis.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Asmara International Airport (ASM)](https://www.flightduration.online/airport/asm-asmara-asmara-international-airport/1ef266de-eba3-6f4c-854f-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)