# Distance from Castres/Mazamet (DCM) to Washington (IAD)

> 6,428 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,428 km / 3,994 mi / 3,471 nm
- **Estimated flight time**: 9h
- **Heading**: 295° (west northwest)
- **Return heading**: 57° (east northeast)
- **Classification**: Long-haul
- **Type**: International (France) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -6h (When it's 18:18 in Castres/Mazamet, it's 12:18 in Washington)
- **Elevation difference**: 476 ft (IAD is lower than DCM)

## Airports

### [Castres-Mazamet Airport (DCM)](https://www.flightduration.online/airport/dcm-castresmazamet-castres-mazamet-airport/1ef266df-4730-6036-a71b-06bb2780ed98)

- City: Castres/Mazamet, France
- ICAO: LFCK
- Timezone: Europe/Paris
- Coordinates: 43.560000, 2.290000
- Elevation: 788 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 18:18 in Castres/Mazamet, it's 12:18 in Washington.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Castres-Mazamet Airport (DCM)](https://www.flightduration.online/airport/dcm-castresmazamet-castres-mazamet-airport/1ef266df-4730-6036-a71b-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)