# Distance from Seattle (SEA) to Tamchakett (THT)

> 10,125 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,125 km / 6,291 mi / 5,467 nm
- **Estimated flight time**: 13h
- **Heading**: 63° (east northeast)
- **Return heading**: 321° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Mauritania
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 14:35 in Seattle, it's 21:35 in Tamchakett)
- **Elevation difference**: 188 ft (THT is higher than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://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

### [Tamchakett Airport (THT)](https://flightduration.online/airport/tht-tamchakett-tamchakett-airport/1ef266de-e953-61fc-99a7-06bb2780ed98)

- City: Tamchakett, Mauritania
- ICAO: GQNT
- Timezone: Africa/Nouakchott
- Coordinates: 17.230000, -10.820000
- Elevation: 620 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 14:35 in Seattle, it's 21:35 in Tamchakett.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Tamchakett Airport (THT)](https://flightduration.online/airport/tht-tamchakett-tamchakett-airport/1ef266de-e953-61fc-99a7-06bb2780ed98)
- [Flight duration calculator](/#calculator)