# Distance from Seattle (BFI) to Chengdu (CTU)

> 10,178 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,178 km / 6,324 mi / 5,496 nm
- **Estimated flight time**: 13h
- **Heading**: 322° (northwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 23:54 in Seattle, it's 14:54 in Chengdu)
- **Elevation difference**: 1,603 ft (CTU is higher than BFI)

## Airports

### [Boeing Field/King County International Airport (BFI)](https://www.flightduration.online/airport/bfi-seattle-boeing-fieldking-county-international-airport/1ef266df-104a-6602-8542-06bb2780ed98)

- City: Seattle, United States
- ICAO: KBFI
- Timezone: America/Los_Angeles
- Coordinates: 47.530000, -122.300000
- Elevation: 22 ft

### [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)

- City: Chengdu, China
- ICAO: ZUUU
- Timezone: Asia/Shanghai
- Coordinates: 30.580000, 103.950000
- Elevation: 1,625 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 23:54 in Seattle, it's 14:54 in Chengdu.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Boeing Field/King County International Airport (BFI)](https://www.flightduration.online/airport/bfi-seattle-boeing-fieldking-county-international-airport/1ef266df-104a-6602-8542-06bb2780ed98)
- [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)
- [Flight duration calculator](/#calculator)