# Distance from Denver (DEN) to Haiphong (HPH)

> 12,523 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,523 km / 7,782 mi / 6,762 nm
- **Estimated flight time**: 16h
- **Heading**: 328° (north northwest)
- **Return heading**: 26° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 12:57 in Denver, it's 01:57 in Haiphong)
- **Elevation difference**: 5,428 ft (HPH is lower than DEN)

## Airports

### [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)

- City: Denver, United States
- ICAO: KDEN
- Timezone: America/Denver
- Coordinates: 39.860000, -104.670000
- Elevation: 5,434 ft

### [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

## 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 12:57 in Denver, it's 01:57 in Haiphong.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)
- [Cat Bi International Airport (HPH)](https://www.flightduration.online/airport/hph-haiphong-cat-bi-international-airport/1ef266df-f5ff-699a-88e2-06bb2780ed98)
- [Flight duration calculator](/#calculator)