# Distance from Seattle (SEA) to Quy Nohn (UIH)

> 11,500 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,500 km / 7,146 mi / 6,210 nm
- **Estimated flight time**: 15h
- **Heading**: 309° (northwest)
- **Return heading**: 33° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 06:35 in Seattle, it's 20:35 in Quy Nohn)
- **Elevation difference**: 352 ft (UIH is lower than SEA)

## Airports

### [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

### [Phu Cat Airport (UIH)](https://www.flightduration.online/airport/uih-quy-nohn-phu-cat-airport/1ef266df-f643-641a-b679-06bb2780ed98)

- City: Quy Nohn, Vietnam
- ICAO: VVPC
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 13.960000, 109.040000
- Elevation: 80 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 06:35 in Seattle, it's 20:35 in Quy Nohn.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Phu Cat Airport (UIH)](https://www.flightduration.online/airport/uih-quy-nohn-phu-cat-airport/1ef266df-f643-641a-b679-06bb2780ed98)
- [Flight duration calculator](/#calculator)