Distance between Ulanhot (HLH) and Haiphong (HPH)

Flight distance from Ulanhot to Haiphong (Ulanhot Airport – Cat Bi International Airport) is 1945 miles / 3129 kilometers / 1690 nautical miles. Estimated flight time is 4 hours 10 minutes.

Driving distance from Ulanhot (HLH) to Haiphong (HPH) is 2354 miles / 3788 kilometers and travel time by car is about 40 hours 54 minutes.

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

Shortest flight path between Ulanhot Airport (HLH) and Cat Bi International Airport (HPH).

How far is Haiphong from Ulanhot?

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

Vincenty's formula (applied above)
• 1944.574 miles
• 3129.488 kilometers
• 1689.788 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
• 1947.630 miles
• 3134.407 kilometers
• 1692.445 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 Cat Bi International Airport
City: Haiphong
Country: Vietnam
IATA Code: HPH
ICAO Code: VVCI
Coordinates: 20°49′9″N, 106°43′29″E

Time difference and current local times

The time difference between Ulanhot and Haiphong is 1 hour. Haiphong is 1 hour behind Ulanhot.

CST

+07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 212 kg (468 pounds).

Frequent Flyer Miles Calculator

Ulanhot (HLH) → Haiphong (HPH).

Distance:
1945
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1945

Round trip?