# Distance from In Guezzam (INF) to St Louis (STL)

> 9,169 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,169 km / 5,697 mi / 4,951 nm
- **Estimated flight time**: 12h
- **Heading**: 309° (northwest)
- **Return heading**: 71° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Algeria) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -6h (When it's 13:40 in In Guezzam, it's 07:40 in St Louis)
- **Elevation difference**: 695 ft (STL is lower than INF)

## Airports

### [In Guezzam Airport (INF)](https://www.flightduration.online/airport/inf-in-guezzam-in-guezzam-airport/1ef266de-b5c1-69f6-a460-06bb2780ed98)

- City: In Guezzam, Algeria
- ICAO: DATG
- Timezone: Africa/Algiers
- Coordinates: 19.570000, 5.750000
- Elevation: 1,312 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 13:40 in In Guezzam, it's 07:40 in St Louis.
With a 6-hour time difference, expect significant jet lag.

## Related

- [In Guezzam Airport (INF)](https://www.flightduration.online/airport/inf-in-guezzam-in-guezzam-airport/1ef266de-b5c1-69f6-a460-06bb2780ed98)
- [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)