# Distance between Nanyang (NNY) and Hengyang (HNY)

Flight distance from Nanyang to Hengyang (Nanyang Jiangying Airport – Hengyang Nanyue Airport) is 418 miles / 673 kilometers / 364 nautical miles. Estimated flight time is 1 hour 17 minutes.

Driving distance from Nanyang (NNY) to Hengyang (HNY) is 510 miles / 820 kilometers and travel time by car is about 8 hours 43 minutes.

## Map of flight path and driving directions from Nanyang to Hengyang.

Shortest flight path between Nanyang Jiangying Airport (NNY) and Hengyang Nanyue Airport (HNY).

## How far is Hengyang from Nanyang?

There are several ways to calculate distances between Nanyang and Hengyang. Here are two common methods:

Vincenty's formula (applied above)
• 418.483 miles
• 673.483 kilometers
• 363.652 nautical miles

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

Haversine formula
• 419.778 miles
• 675.567 kilometers
• 364.777 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).

## Airport information

A Nanyang Jiangying Airport
City: Nanyang
Country: China
IATA Code: NNY
ICAO Code: ZHNY
Coordinates: 32°58′50″N, 112°36′53″E

B Hengyang Nanyue Airport
City: Hengyang
Country: China
IATA Code: HNY
ICAO Code: ZGHY
Coordinates: 26°54′19″N, 112°37′40″E

## Time difference and current local times

There is no time difference between Nanyang and Hengyang.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 87 kg (191 pounds).

## Frequent Flyer Miles Calculator

Nanyang (NNY) → Hengyang (HNY).

Distance:
418
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
418

Round trip?