# Distance from Kuqa (KCA) to Seattle (SEA)

> 9,791 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,791 km / 6,084 mi / 5,287 nm
- **Estimated flight time**: 13h
- **Heading**: 17° (north northeast)
- **Return heading**: 341° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 12:55 in Kuqa, it's 21:55 in Seattle)
- **Elevation difference**: 3,092 ft (SEA is lower than KCA)

## Airports

### [Kuqa Airport (KCA)](https://www.flightduration.online/airport/kca-kuqa-kuqa-airport/1ef266e0-20ff-64d8-b85b-06bb2780ed98)

- City: Kuqa, China
- ICAO: ZWKC
- Timezone: Asia/Shanghai
- Coordinates: 41.720000, 82.990000
- Elevation: 3,524 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 12:55 in Kuqa, it's 21:55 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Kuqa Airport (KCA)](https://www.flightduration.online/airport/kca-kuqa-kuqa-airport/1ef266e0-20ff-64d8-b85b-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)