# Distance from St Louis (STL) to Soyo (SZA)

> 11,538 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,538 km / 7,169 mi / 6,230 nm
- **Estimated flight time**: 15h
- **Heading**: 87° (east)
- **Return heading**: 308° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Angola
- **Intercontinental**: North America → Africa
- **Time difference**: +6h (When it's 07:24 in St Louis, it's 13:24 in Soyo)
- **Elevation difference**: 602 ft (SZA is lower than STL)

## Airports

### [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

### [Soyo Airport (SZA)](https://www.flightduration.online/airport/sza-soyo-soyo-airport/1ef266de-dcef-6ab4-9d3d-06bb2780ed98)

- City: Soyo, Angola
- ICAO: FNSO
- Timezone: Africa/Luanda
- Coordinates: -6.140000, 12.370000
- Elevation: 15 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 07:24 in St Louis, it's 13:24 in Soyo.
With a 6-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Soyo Airport (SZA)](https://www.flightduration.online/airport/sza-soyo-soyo-airport/1ef266de-dcef-6ab4-9d3d-06bb2780ed98)
- [Flight duration calculator](/#calculator)