# Distance from Hengchung (HCN) to Washington (IAD)

> 12,978 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,978 km / 8,064 mi / 7,007 nm
- **Estimated flight time**: 16h
- **Heading**: 16° (north northeast)
- **Return heading**: 341° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Taiwan) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 03:07 in Hengchung, it's 15:07 in Washington)
- **Elevation difference**: 266 ft (IAD is higher than HCN)

## Airports

### [Hengchun Airport (HCN)](https://www.flightduration.online/airport/hcn-hengchung-hengchun-airport/1ef266df-8adc-6122-b93b-06bb2780ed98)

- City: Hengchung, Taiwan
- ICAO: RCKW
- Timezone: Asia/Taipei
- Coordinates: 22.040000, 120.730000
- Elevation: 46 ft

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 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 03:07 in Hengchung, it's 15:07 in Washington.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Hengchun Airport (HCN)](https://www.flightduration.online/airport/hcn-hengchung-hengchun-airport/1ef266df-8adc-6122-b93b-06bb2780ed98)
- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Flight duration calculator](/#calculator)