# Distance from Diass (DSS) to Washington (IAD)

> 6,444 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,444 km / 4,004 mi / 3,480 nm
- **Estimated flight time**: 9h
- **Heading**: 307° (northwest)
- **Return heading**: 97° (east)
- **Classification**: Long-haul
- **Type**: International (Senegal) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -4h (When it's 06:16 in Diass, it's 02:16 in Washington)
- **Elevation difference**: 23 ft (IAD is higher than DSS)

## Airports

### [Blaise Diagne International Airport (DSS)](https://www.flightduration.online/airport/dss-diass-blaise-diagne-international-airport/1ef266de-e8e1-66ba-8968-06bb2780ed98)

- City: Diass, Senegal
- ICAO: GOBD
- Timezone: Africa/Dakar
- Coordinates: 14.670000, -17.070000
- Elevation: 289 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 06:16 in Diass, it's 02:16 in Washington.
The 4-hour time difference may cause some jet lag.

## Related

- [Blaise Diagne International Airport (DSS)](https://www.flightduration.online/airport/dss-diass-blaise-diagne-international-airport/1ef266de-e8e1-66ba-8968-06bb2780ed98)
- [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)