# Distance from Seattle (SEA) to Dong Hoi (VDH)

> 11,304 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,304 km / 7,024 mi / 6,104 nm
- **Estimated flight time**: 14h
- **Heading**: 313° (northwest)
- **Return heading**: 31° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 15:50 in Seattle, it's 05:50 in Dong Hoi)
- **Elevation difference**: 373 ft (VDH 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

### [Dong Hoi Airport (VDH)](https://www.flightduration.online/airport/vdh-dong-hoi-dong-hoi-airport/1ef266df-f61d-608a-a6f0-06bb2780ed98)

- City: Dong Hoi, Vietnam
- ICAO: VVDH
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 17.520000, 106.590000
- Elevation: 59 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 15:50 in Seattle, it's 05:50 in Dong Hoi.
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)
- [Dong Hoi Airport (VDH)](https://www.flightduration.online/airport/vdh-dong-hoi-dong-hoi-airport/1ef266df-f61d-608a-a6f0-06bb2780ed98)
- [Flight duration calculator](/#calculator)