How far is Dong Hoi from Ulanhot?

The distance between Ulanhot (Ulanhot Yilelite Airport) and Dong Hoi (Dong Hoi Airport) is 2159 miles / 3474 kilometers / 1876 nautical miles.

The driving distance from Ulanhot (HLH) to Dong Hoi (VDH) is 2651 miles / 4266 kilometers, and travel time by car is about 48 hours 32 minutes.

Distance from Ulanhot to Dong Hoi

There are several ways to calculate the distance from Ulanhot to Dong Hoi. Here are two standard methods:

Vincenty's formula (applied above)

• 2158.780 miles
• 3474.220 kilometers
• 1875.929 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

• 2162.922 miles
• 3480.886 kilometers
• 1879.528 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 Ulanhot to Dong Hoi?

The estimated flight time from Ulanhot Yilelite Airport to Dong Hoi Airport is 4 hours and 35 minutes.

What is the time difference between Ulanhot and Dong Hoi?

The time difference between Ulanhot and Dong Hoi is 1 hour. Dong Hoi is 1 hour behind Ulanhot.

Flight carbon footprint between Ulanhot Yilelite Airport (HLH) and Dong Hoi Airport (VDH)

On average, flying from Ulanhot to Dong Hoi generates about 236 kg of CO2 per passenger, and 236 kilograms equals 520 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ulanhot to Dong Hoi

See the map of the shortest flight path between Ulanhot Yilelite Airport (HLH) and Dong Hoi Airport (VDH).

Airport information

Origin	Ulanhot Yilelite Airport
City:	Ulanhot
Country:	China
IATA Code:	HLH
ICAO Code:	ZBUL
Coordinates:	46°4′58″N, 122°1′1″E

Destination	Dong Hoi Airport
City:	Dong Hoi
Country:	Vietnam
IATA Code:	VDH
ICAO Code:	VVDH
Coordinates:	17°30′54″N, 106°35′26″E