# Distance from Nyingchi (LZY) to Seattle (SEA)

> 10,727 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,727 km / 6,665 mi / 5,792 nm
- **Estimated flight time**: 14h
- **Heading**: 24° (north northeast)
- **Return heading**: 328° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 05:17 in Nyingchi, it's 14:17 in Seattle)
- **Elevation difference**: 9,243 ft (SEA is lower than LZY)

## Airports

### [Nyingchi Airport (LZY)](https://www.flightduration.online/airport/lzy-nyingchi-nyingchi-airport/1ef266e0-20bd-6cea-8b5a-06bb2780ed98)

- City: Nyingchi, China
- ICAO: ZUNZ
- Timezone: Asia/Shanghai
- Coordinates: 29.300000, 94.340000
- Elevation: 9,675 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 05:17 in Nyingchi, it's 14:17 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Nyingchi Airport (LZY)](https://www.flightduration.online/airport/lzy-nyingchi-nyingchi-airport/1ef266e0-20bd-6cea-8b5a-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)