# Distance from Massawa (MSW) to St Louis (STL)

> 12,022 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,022 km / 7,470 mi / 6,492 nm
- **Estimated flight time**: 15h
- **Heading**: 321° (northwest)
- **Return heading**: 51° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Eritrea) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 00:56 in Massawa, it's 16:56 in St Louis)
- **Elevation difference**: 423 ft (STL is higher than MSW)

## Airports

### [Massawa International Airport (MSW)](https://www.flightduration.online/airport/msw-massawa-massawa-international-airport/1ef266de-eba8-6a9c-b65c-06bb2780ed98)

- City: Massawa, Eritrea
- ICAO: HHMS
- Timezone: Africa/Asmara
- Coordinates: 15.670000, 39.370000
- Elevation: 194 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 00:56 in Massawa, it's 16:56 in St Louis.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Massawa International Airport (MSW)](https://www.flightduration.online/airport/msw-massawa-massawa-international-airport/1ef266de-eba8-6a9c-b65c-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)