# Distance from Haiphong (HPH) to Washington (IAD)

> 13,360 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,360 km / 8,302 mi / 7,214 nm
- **Estimated flight time**: 17h
- **Heading**: 4° (north)
- **Return heading**: 355° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11h (When it's 02:46 in Haiphong, it's 15:46 in Washington)
- **Elevation difference**: 306 ft (IAD is higher than HPH)

## Airports

### [Cat Bi International Airport (HPH)](https://www.flightduration.online/airport/hph-haiphong-cat-bi-international-airport/1ef266df-f5ff-699a-88e2-06bb2780ed98)

- City: Haiphong, Vietnam
- ICAO: VVCI
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 20.820000, 106.720000
- Elevation: 6 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 02:46 in Haiphong, it's 15:46 in Washington.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Cat Bi International Airport (HPH)](https://www.flightduration.online/airport/hph-haiphong-cat-bi-international-airport/1ef266df-f5ff-699a-88e2-06bb2780ed98)
- [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)