How far is Roi Et from Hengyang?

The distance between Hengyang (Hengyang Nanyue Airport) and Roi Et (Roi Et Airport) is 935 miles / 1505 kilometers / 813 nautical miles.

The driving distance from Hengyang (HNY) to Roi Et (ROI) is 1224 miles / 1970 kilometers, and travel time by car is about 24 hours 1 minutes.

Distance from Hengyang to Roi Et

There are several ways to calculate the distance from Hengyang to Roi Et. Here are two standard methods:

Vincenty's formula (applied above)

• 935.100 miles
• 1504.898 kilometers
• 812.580 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

• 937.056 miles
• 1508.045 kilometers
• 814.279 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 Roi Et?

The estimated flight time from Hengyang Nanyue Airport to Roi Et Airport is 2 hours and 16 minutes.

What is the time difference between Hengyang and Roi Et?

The time difference between Hengyang and Roi Et is 1 hour. Roi Et is 1 hour behind Hengyang.

Flight carbon footprint between Hengyang Nanyue Airport (HNY) and Roi Et Airport (ROI)

On average, flying from Hengyang to Roi Et generates about 146 kg of CO2 per passenger, and 146 kilograms equals 322 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 Roi Et

See the map of the shortest flight path between Hengyang Nanyue Airport (HNY) and Roi Et Airport (ROI).

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	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E