# Distance from N'Djamena (NDJ) to Seattle (SEA)

> 12,160 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,160 km / 7,556 mi / 6,566 nm
- **Estimated flight time**: 15h
- **Heading**: 331° (north northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Chad) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 05:29 in N'Djamena, it's 21:29 in Seattle)
- **Elevation difference**: 536 ft (SEA is lower than NDJ)

## Airports

### [N'Djamena International Airport (NDJ)](https://www.flightduration.online/airport/ndj-ndjamena-ndjamena-international-airport/1ef266de-de4f-651c-8904-06bb2780ed98)

- City: N'Djamena, Chad
- ICAO: FTTJ
- Timezone: Africa/Ndjamena
- Coordinates: 12.130000, 15.030000
- Elevation: 968 ft

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 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 05:29 in N'Djamena, it's 21:29 in Seattle.
With a 8-hour time difference, expect significant jet lag.

## Related

- [N'Djamena International Airport (NDJ)](https://www.flightduration.online/airport/ndj-ndjamena-ndjamena-international-airport/1ef266de-de4f-651c-8904-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)