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How far is Udon Thani from Hong Kong?

The distance between Hong Kong (Hong Kong International Airport) and Udon Thani (Udon Thani International Airport) is 799 miles / 1286 kilometers / 694 nautical miles.

The driving distance from Hong Kong (HKG) to Udon Thani (UTH) is 1108 miles / 1783 kilometers, and travel time by car is about 21 hours 33 minutes.

Hong Kong International Airport – Udon Thani International Airport

Distance arrow
799
Miles
Distance arrow
1286
Kilometers
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694
Nautical miles

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Distance from Hong Kong to Udon Thani

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

Vincenty's formula (applied above)
  • 799.071 miles
  • 1285.981 kilometers
  • 694.374 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
  • 798.725 miles
  • 1285.424 kilometers
  • 694.073 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 Hong Kong to Udon Thani?

The estimated flight time from Hong Kong International Airport to Udon Thani International Airport is 2 hours and 0 minutes.

Flight carbon footprint between Hong Kong International Airport (HKG) and Udon Thani International Airport (UTH)

On average, flying from Hong Kong to Udon Thani generates about 135 kg of CO2 per passenger, and 135 kilograms equals 297 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Hong Kong to Udon Thani

See the map of the shortest flight path between Hong Kong International Airport (HKG) and Udon Thani International Airport (UTH).

Airport information

Origin Hong Kong International Airport
City: Hong Kong
Country: Hong Kong Flag of Hong Kong
IATA Code: HKG
ICAO Code: VHHH
Coordinates: 22°18′32″N, 113°54′54″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