# Distance from Hong Kong (HKG) to Portland (TTD)

> 10,571 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,571 km / 6,568 mi / 5,708 nm
- **Estimated flight time**: 13h
- **Heading**: 36° (northeast)
- **Return heading**: 309° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Hong Kong) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 08:46 in Hong Kong, it's 17:46 in Portland)
- **Elevation difference**: 11 ft (TTD is higher than HKG)

## Airports

### [Chek Lap Kok International Airport (HKG)](https://www.flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)

- City: Hong Kong, Hong Kong
- ICAO: VHHH
- Timezone: Asia/Hong_Kong
- Coordinates: 22.310000, 113.920000
- Elevation: 28 ft

### [Portland-Troutdale Airport (TTD)](https://www.flightduration.online/airport/ttd-portland-portland-troutdale-airport/1ef266df-3c42-64c6-9e3a-06bb2780ed98)

- City: Portland, United States
- ICAO: KTTD
- Timezone: America/Los_Angeles
- Coordinates: 45.550000, -122.400000
- Elevation: 39 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 08:46 in Hong Kong, it's 17:46 in Portland.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Chek Lap Kok International Airport (HKG)](https://www.flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)
- [Portland-Troutdale Airport (TTD)](https://www.flightduration.online/airport/ttd-portland-portland-troutdale-airport/1ef266df-3c42-64c6-9e3a-06bb2780ed98)
- [Flight duration calculator](/#calculator)