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How far is Ulaanbaatar from Ha Long?

The distance between Ha Long (Van Don International Airport) and Ulaanbaatar (Buyant-Ukhaa International Airport) is 1843 miles / 2965 kilometers / 1601 nautical miles.

The driving distance from Ha Long (VDO) to Ulaanbaatar (ULN) is 2311 miles / 3719 kilometers, and travel time by car is about 44 hours 44 minutes.

Van Don International Airport – Buyant-Ukhaa International Airport

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1843
Miles
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2965
Kilometers
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1601
Nautical miles

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Distance from Ha Long to Ulaanbaatar

There are several ways to calculate the distance from Ha Long to Ulaanbaatar. Here are two standard methods:

Vincenty's formula (applied above)
  • 1842.636 miles
  • 2965.435 kilometers
  • 1601.207 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
  • 1846.896 miles
  • 2972.290 kilometers
  • 1604.908 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 Ha Long to Ulaanbaatar?

The estimated flight time from Van Don International Airport to Buyant-Ukhaa International Airport is 3 hours and 59 minutes.

Flight carbon footprint between Van Don International Airport (VDO) and Buyant-Ukhaa International Airport (ULN)

On average, flying from Ha Long to Ulaanbaatar generates about 203 kg of CO2 per passenger, and 203 kilograms equals 449 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ha Long to Ulaanbaatar

See the map of the shortest flight path between Van Don International Airport (VDO) and Buyant-Ukhaa International Airport (ULN).

Airport information

Origin Van Don International Airport
City: Ha Long
Country: Vietnam Flag of Vietnam
IATA Code: VDO
ICAO Code: VVVD
Coordinates: 21°7′4″N, 107°24′51″E
Destination Buyant-Ukhaa International Airport
City: Ulaanbaatar
Country: Mongolia Flag of Mongolia
IATA Code: ULN
ICAO Code: ZMUB
Coordinates: 47°50′35″N, 106°46′1″E