# Distance from Washington (IAD) to Mossendjo (MSX)

> 10,231 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,231 km / 6,357 mi / 5,524 nm
- **Estimated flight time**: 13h
- **Heading**: 92° (east)
- **Return heading**: 309° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Congo
- **Intercontinental**: North America → Africa
- **Time difference**: +5h (When it's 10:12 in Washington, it's 15:12 in Mossendjo)
- **Elevation difference**: 1,207 ft (MSX is higher than IAD)

## Airports

### [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

### [Mossendjo Airport (MSX)](https://www.flightduration.online/airport/msx-mossendjo-mossendjo-airport/1ef266de-d66a-6220-a4c4-06bb2780ed98)

- City: Mossendjo, Congo
- ICAO: FCMM
- Timezone: Africa/Brazzaville
- Coordinates: -2.950000, 12.700000
- Elevation: 1,519 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 10:12 in Washington, it's 15:12 in Mossendjo.
The 5-hour time difference may cause some jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Mossendjo Airport (MSX)](https://www.flightduration.online/airport/msx-mossendjo-mossendjo-airport/1ef266de-d66a-6220-a4c4-06bb2780ed98)
- [Flight duration calculator](/#calculator)