# Distance from Altay (AAT) to Seattle (SEA)

> 9,028 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,028 km / 5,610 mi / 4,875 nm
- **Estimated flight time**: 12h
- **Heading**: 20° (north northeast)
- **Return heading**: 340° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 02:18 in Altay, it's 11:18 in Seattle)
- **Elevation difference**: 2,028 ft (SEA is lower than AAT)

## Airports

### [Altay Air Base (AAT)](https://www.flightduration.online/airport/aat-altay-altay-air-base/1ef266e0-20ef-6916-97f2-06bb2780ed98)

- City: Altay, China
- ICAO: ZWAT
- Timezone: Asia/Shanghai
- Coordinates: 47.750000, 88.090000
- Elevation: 2,460 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 02:18 in Altay, it's 11:18 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Altay Air Base (AAT)](https://www.flightduration.online/airport/aat-altay-altay-air-base/1ef266e0-20ef-6916-97f2-06bb2780ed98)
- [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)