How far is Haiphong from Hengyang?
The distance between Hengyang (Hengyang Nanyue Airport) and Haiphong (Cat Bi International Airport) is 561 miles / 903 kilometers / 488 nautical miles.
The driving distance from Hengyang (HNY) to Haiphong (HPH) is 658 miles / 1059 kilometers, and travel time by car is about 12 hours 8 minutes.
Hengyang Nanyue Airport – Cat Bi International Airport
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Distance from Hengyang to Haiphong
There are several ways to calculate the distance from Hengyang to Haiphong. Here are two standard methods:
Vincenty's formula (applied above)- 561.059 miles
- 902.937 kilometers
- 487.547 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- 561.884 miles
- 904.265 kilometers
- 488.264 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 Hengyang to Haiphong?
The estimated flight time from Hengyang Nanyue Airport to Cat Bi International Airport is 1 hour and 33 minutes.
What is the time difference between Hengyang and Haiphong?
The time difference between Hengyang and Haiphong is 1 hour. Haiphong is 1 hour behind Hengyang.
Flight carbon footprint between Hengyang Nanyue Airport (HNY) and Cat Bi International Airport (HPH)
On average, flying from Hengyang to Haiphong generates about 108 kg of CO2 per passenger, and 108 kilograms equals 237 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Hengyang to Haiphong
See the map of the shortest flight path between Hengyang Nanyue Airport (HNY) and Cat Bi International Airport (HPH).
Airport information
| Origin | Hengyang Nanyue Airport |
|---|---|
| City: | Hengyang |
| Country: | China  |
| IATA Code: | HNY |
| ICAO Code: | ZGHY |
| Coordinates: | 26°54′19″N, 112°37′40″E |
| Destination | Cat Bi International Airport |
|---|---|
| City: | Haiphong |
| Country: | Vietnam  |
| IATA Code: | HPH |
| ICAO Code: | VVCI |
| Coordinates: | 20°49′9″N, 106°43′29″E |