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.
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Beijing - Ulan Bator
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  |
| 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  |
| 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
Ulan Bator
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 127 kg (281 pounds).
Frequent Flyer Miles Calculator
Beijing (PEK) → Ulan Bator (ULN).
In total
Round trip?