Air Miles Calculator

Distance between Beijing (PEK) and Ulan Bator (ULN)

Flight distance from Beijing to Ulan Bator (Beijing Capital International Airport – Chinggis Khaan International Airport) is 725 miles / 1166 kilometers / 630 nautical miles. Estimated flight time is 1 hour 52 minutes.

Driving distance from Beijing (PEK) to Ulan Bator (ULN) is 835 miles / 1343 kilometers and travel time by car is about 17 hours 2 minutes.

Map of flight path and driving directions from Beijing to Ulan Bator.

Shortest flight path between Beijing Capital International Airport (PEK) and Chinggis Khaan International Airport (ULN).

How far is Ulan Bator from Beijing?

There are several ways to calculate distances between Beijing and Ulan Bator. Here are two common methods:

Vincenty's formula (applied above)
  • 724.788 miles
  • 1166.433 kilometers
  • 629.823 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
  • 724.192 miles
  • 1165.474 kilometers
  • 629.305 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 Beijing Capital International Airport
City: Beijing
Country: China Flag of China
IATA Code: PEK
ICAO Code: ZBAA
Coordinates: 40°4′48″N, 116°35′5″E

B Chinggis Khaan International Airport
City: Ulan Bator
Country: Mongolia Flag of Mongolia
IATA Code: ULN
ICAO Code: ZMUB
Coordinates: 47°50′35″N, 106°46′1″E

Time difference and current local times

There is no time difference between Beijing and Ulan Bator.

Time Difference

Beijing

 CST

Ulan Bator

 +08

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 127 kg (281 pounds).

Frequent Flyer Miles Calculator

Beijing (PEK) → Ulan Bator (ULN).

Air miles:
725
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
725

Round trip?