# Distance between Ulanhot (HLH) and Ha Long (VDO)

Flight distance from Ulanhot to Ha Long (Ulanhot Airport – Van Don International Airport) is 1909 miles / 3071 kilometers / 1658 nautical miles. Estimated flight time is 4 hours 6 minutes.

Driving distance from Ulanhot (HLH) to Ha Long (VDO) is 2306 miles / 3711 kilometers and travel time by car is about 39 hours 56 minutes.

## Map of flight path and driving directions from Ulanhot to Ha Long.

Shortest flight path between Ulanhot Airport (HLH) and Van Don International Airport (VDO).

## How far is Ha Long from Ulanhot?

There are several ways to calculate distances between Ulanhot and Ha Long. Here are two common methods:

Vincenty's formula (applied above)
• 1908.533 miles
• 3071.487 kilometers
• 1658.470 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 1911.594 miles
• 3076.412 kilometers
• 1661.130 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).

## Airport information

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

B Van Don International Airport
City: Ha Long
Country: Vietnam
IATA Code: VDO
ICAO Code: VVVD
Coordinates: 21°7′4″N, 107°24′51″E

## Time difference and current local times

The time difference between Ulanhot and Ha Long is 1 hour. Ha Long is 1 hour behind Ulanhot.

CST

+07

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 209 kg (461 pounds).

## Frequent Flyer Miles Calculator

Ulanhot (HLH) → Ha Long (VDO).

Distance:
1909
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1909

Round trip?