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How far is Udon Thani from Tonghua?

The distance between Tonghua (Tonghua Sanyuanpu Airport) and Udon Thani (Udon Thani International Airport) is 2182 miles / 3512 kilometers / 1896 nautical miles.

The driving distance from Tonghua (TNH) to Udon Thani (UTH) is 2719 miles / 4376 kilometers, and travel time by car is about 50 hours 42 minutes.

Tonghua Sanyuanpu Airport – Udon Thani International Airport

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2182
Miles
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3512
Kilometers
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1896
Nautical miles

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Distance from Tonghua to Udon Thani

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

Vincenty's formula (applied above)
  • 2182.316 miles
  • 3512.097 kilometers
  • 1896.380 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
  • 2184.778 miles
  • 3516.060 kilometers
  • 1898.520 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 Tonghua to Udon Thani?

The estimated flight time from Tonghua Sanyuanpu Airport to Udon Thani International Airport is 4 hours and 37 minutes.

Flight carbon footprint between Tonghua Sanyuanpu Airport (TNH) and Udon Thani International Airport (UTH)

On average, flying from Tonghua to Udon Thani generates about 238 kg of CO2 per passenger, and 238 kilograms equals 525 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Tonghua to Udon Thani

See the map of the shortest flight path between Tonghua Sanyuanpu Airport (TNH) and Udon Thani International Airport (UTH).

Airport information

Origin Tonghua Sanyuanpu Airport
City: Tonghua
Country: China Flag of China
IATA Code: TNH
ICAO Code: ZYTN
Coordinates: 42°15′14″N, 125°42′11″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