Air Miles Calculator logo

How far is Udon Thani from Hengyang?

The distance between Hengyang (Hengyang Nanyue Airport) and Udon Thani (Udon Thani International Airport) is 908 miles / 1462 kilometers / 789 nautical miles.

The driving distance from Hengyang (HNY) to Udon Thani (UTH) is 1192 miles / 1918 kilometers, and travel time by car is about 22 hours 59 minutes.

Hengyang Nanyue Airport – Udon Thani International Airport

Distance arrow
908
Miles
Distance arrow
1462
Kilometers
Distance arrow
789
Nautical miles

Search flights

Distance from Hengyang to Udon Thani

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

Vincenty's formula (applied above)
  • 908.454 miles
  • 1462.016 kilometers
  • 789.425 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
  • 909.728 miles
  • 1464.065 kilometers
  • 790.532 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 Udon Thani?

The estimated flight time from Hengyang Nanyue Airport to Udon Thani International Airport is 2 hours and 13 minutes.

Flight carbon footprint between Hengyang Nanyue Airport (HNY) and Udon Thani International Airport (UTH)

On average, flying from Hengyang to Udon Thani generates about 144 kg of CO2 per passenger, and 144 kilograms equals 318 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 Udon Thani

See the map of the shortest flight path between Hengyang Nanyue Airport (HNY) and Udon Thani International Airport (UTH).

Airport information

Origin Hengyang Nanyue Airport
City: Hengyang
Country: China Flag of China
IATA Code: HNY
ICAO Code: ZGHY
Coordinates: 26°54′19″N, 112°37′40″E
Destination Udon Thani International Airport
City: Udon Thani
Country: Thailand Flag of Thailand
IATA Code: UTH
ICAO Code: VTUD
Coordinates: 17°23′11″N, 102°47′16″E