# Distance from Nduli (IRI) to St Louis (STL)

> 13,635 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,635 km / 8,473 mi / 7,363 nm
- **Estimated flight time**: 17h
- **Heading**: 312° (northwest)
- **Return heading**: 72° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Tanzania) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 23:26 in Nduli, it's 15:26 in St Louis)
- **Elevation difference**: 4,061 ft (STL is lower than IRI)

## Airports

### [Iringa Airport (IRI)](https://www.flightduration.online/airport/iri-nduli-iringa-airport/1ef266de-ee8c-6088-8bbf-06bb2780ed98)

- City: Nduli, Tanzania
- ICAO: HTIR
- Timezone: Africa/Dar_es_Salaam
- Coordinates: -7.670000, 35.750000
- Elevation: 4,678 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 23:26 in Nduli, it's 15:26 in St Louis.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Iringa Airport (IRI)](https://www.flightduration.online/airport/iri-nduli-iringa-airport/1ef266de-ee8c-6088-8bbf-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)