# Distance from Seattle (SEA) to Qacha's Nek (UNE)

> 16,877 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,877 km / 10,487 mi / 9,113 nm
- **Estimated flight time**: 21h
- **Heading**: 63° (east northeast)
- **Return heading**: 316° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Lesotho
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 19:06 in Seattle, it's 04:06 in Qacha's Nek)
- **Elevation difference**: 5,668 ft (UNE is higher than SEA)

## Airports

### [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

### [Qacha's Nek Airport (UNE)](https://www.flightduration.online/airport/une-qachas-nek-qachas-nek-airport/1ef266de-e092-62c0-904c-06bb2780ed98)

- City: Qacha's Nek, Lesotho
- ICAO: FXQN
- Timezone: Africa/Maseru
- Coordinates: -30.110000, 28.670000
- Elevation: 6,100 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 19:06 in Seattle, it's 04:06 in Qacha's Nek.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Qacha's Nek Airport (UNE)](https://www.flightduration.online/airport/une-qachas-nek-qachas-nek-airport/1ef266de-e092-62c0-904c-06bb2780ed98)
- [Flight duration calculator](/#calculator)