# Distance from Dolisie (DIS) to Washington (IAD)

> 10,315 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,315 km / 6,410 mi / 5,570 nm
- **Estimated flight time**: 13h
- **Heading**: 309° (northwest)
- **Return heading**: 93° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Congo) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -5h (When it's 11:11 in Dolisie, it's 06:11 in Washington)
- **Elevation difference**: 767 ft (IAD is lower than DIS)

## Airports

### [Ngot Nzoungou Airport (DIS)](https://www.flightduration.online/airport/dis-dolisie-ngot-nzoungou-airport/1ef266de-d6b4-6d66-925c-06bb2780ed98)

- City: Dolisie, Congo
- ICAO: FCPD
- Timezone: Africa/Brazzaville
- Coordinates: -4.210000, 12.660000
- Elevation: 1,079 ft

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 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 11:11 in Dolisie, it's 06:11 in Washington.
The 5-hour time difference may cause some jet lag.

## Related

- [Ngot Nzoungou Airport (DIS)](https://www.flightduration.online/airport/dis-dolisie-ngot-nzoungou-airport/1ef266de-d6b4-6d66-925c-06bb2780ed98)
- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Flight duration calculator](/#calculator)