Distance between Ulanhot (HLH) and Dandong (DDG)

Flight distance from Ulanhot to Dandong (Ulanhot Airport – Dandong Langtou Airport) is 434 miles / 698 kilometers / 377 nautical miles. Estimated flight time is 1 hour 19 minutes.

Driving distance from Ulanhot (HLH) to Dandong (DDG) is 521 miles / 838 kilometers and travel time by car is about 9 hours 9 minutes.

Map of flight path and driving directions from Ulanhot to Dandong.

Shortest flight path between Ulanhot Airport (HLH) and Dandong Langtou Airport (DDG).

How far is Dandong from Ulanhot?

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

Vincenty's formula (applied above)
• 433.643 miles
• 697.880 kilometers
• 376.825 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
• 433.929 miles
• 698.341 kilometers
• 377.074 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 Dandong Langtou Airport
City: Dandong
Country: China
IATA Code: DDG
ICAO Code: ZYDD
Coordinates: 40°1′28″N, 124°17′9″E

Time difference and current local times

There is no time difference between Ulanhot and Dandong.

CST

CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 89 kg (196 pounds).

Frequent Flyer Miles Calculator

Ulanhot (HLH) → Dandong (DDG).

Distance:
434
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
434

Round trip?