# Distance from Changzhi (CIH) to Seattle (SEA)

> 9,201 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,201 km / 5,717 mi / 4,968 nm
- **Estimated flight time**: 12h
- **Heading**: 34° (northeast)
- **Return heading**: 318° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 21:57 in Changzhi, it's 06:57 in Seattle)
- **Elevation difference**: 432 ft (SEA is higher than CIH)

## Airports

### [Changzhi Airport (CIH)](https://www.flightduration.online/airport/cih-changzhi-changzhi-airport/1ef266e0-1e19-66e2-befa-06bb2780ed98)

- City: Changzhi, China
- ICAO: ZBCZ
- Timezone: Asia/Shanghai
- Coordinates: 36.250000, 113.130000
- Elevation: 0 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 21:57 in Changzhi, it's 06:57 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Changzhi Airport (CIH)](https://www.flightduration.online/airport/cih-changzhi-changzhi-airport/1ef266e0-1e19-66e2-befa-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)