# Distance from Portland (PDX) to Dong Hoi (VDH)

> 11,428 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,428 km / 7,101 mi / 6,171 nm
- **Estimated flight time**: 14h
- **Heading**: 312° (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 07:14 in Portland, it's 21:14 in Dong Hoi)
- **Elevation difference**: 28 ft (VDH is higher than PDX)

## Airports

### [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)

- City: Portland, United States
- ICAO: KPDX
- Timezone: America/Los_Angeles
- Coordinates: 45.590000, -122.600000
- Elevation: 31 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 07:14 in Portland, it's 21:14 in Dong Hoi.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)
- [Dong Hoi Airport (VDH)](https://www.flightduration.online/airport/vdh-dong-hoi-dong-hoi-airport/1ef266df-f61d-608a-a6f0-06bb2780ed98)
- [Flight duration calculator](/#calculator)