# Distance from St Louis (STL) to Tessenei (TES)

> 11,884 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,884 km / 7,385 mi / 6,417 nm
- **Estimated flight time**: 15h
- **Heading**: 54° (northeast)
- **Return heading**: 319° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Eritrea
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 19:58 in St Louis, it's 03:58 in Tessenei)
- **Elevation difference**: 1,401 ft (TES is higher 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

### [Tessenei Airport (TES)](https://www.flightduration.online/airport/tes-tessenei-tessenei-airport/1ef266de-ebb2-6362-b192-06bb2780ed98)

- City: Tessenei, Eritrea
- ICAO: HHTS
- Timezone: Africa/Asmara
- Coordinates: 15.120000, 36.680000
- Elevation: 2,018 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 19:58 in St Louis, it's 03:58 in Tessenei.
With a 8-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)
- [Tessenei Airport (TES)](https://www.flightduration.online/airport/tes-tessenei-tessenei-airport/1ef266de-ebb2-6362-b192-06bb2780ed98)
- [Flight duration calculator](/#calculator)