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How far is Haiphong from Dayong?

The distance between Dayong (Zhangjiajie Hehua International Airport) and Haiphong (Cat Bi International Airport) is 616 miles / 991 kilometers / 535 nautical miles.

The driving distance from Dayong (DYG) to Haiphong (HPH) is 776 miles / 1249 kilometers, and travel time by car is about 14 hours 13 minutes.

Zhangjiajie Hehua International Airport – Cat Bi International Airport

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616
Miles
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991
Kilometers
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535
Nautical miles

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Distance from Dayong to Haiphong

There are several ways to calculate the distance from Dayong to Haiphong. Here are two standard methods:

Vincenty's formula (applied above)
  • 615.912 miles
  • 991.214 kilometers
  • 535.213 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 617.770 miles
  • 994.205 kilometers
  • 536.828 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Dayong to Haiphong?

The estimated flight time from Zhangjiajie Hehua International Airport to Cat Bi International Airport is 1 hour and 39 minutes.

Flight carbon footprint between Zhangjiajie Hehua International Airport (DYG) and Cat Bi International Airport (HPH)

On average, flying from Dayong to Haiphong generates about 115 kg of CO2 per passenger, and 115 kilograms equals 253 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dayong to Haiphong

See the map of the shortest flight path between Zhangjiajie Hehua International Airport (DYG) and Cat Bi International Airport (HPH).

Airport information

Origin Zhangjiajie Hehua International Airport
City: Dayong
Country: China Flag of China
IATA Code: DYG
ICAO Code: ZGDY
Coordinates: 29°6′10″N, 110°26′34″E
Destination Cat Bi International Airport
City: Haiphong
Country: Vietnam Flag of Vietnam
IATA Code: HPH
ICAO Code: VVCI
Coordinates: 20°49′9″N, 106°43′29″E