# Distance from Washington (DCA) to Nduli (IRI)

> 12,509 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,509 km / 7,773 mi / 6,755 nm
- **Estimated flight time**: 16h
- **Heading**: 81° (east)
- **Return heading**: 309° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Tanzania
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 17:15 in Washington, it's 00:15 in Nduli)
- **Elevation difference**: 4,664 ft (IRI is higher than DCA)

## Airports

### [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)

- City: Washington, United States
- ICAO: KDCA
- Timezone: America/New_York
- Coordinates: 38.850000, -77.040000
- Elevation: 14 ft

### [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

## 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 17:15 in Washington, it's 00:15 in Nduli.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Iringa Airport (IRI)](https://www.flightduration.online/airport/iri-nduli-iringa-airport/1ef266de-ee8c-6088-8bbf-06bb2780ed98)
- [Flight duration calculator](/#calculator)