How far is Ulaanbaatar from Chiang Rai?
The distance between Chiang Rai (Chiang Rai International Airport) and Ulaanbaatar (Buyant-Ukhaa International Airport) is 1961 miles / 3156 kilometers / 1704 nautical miles.
The driving distance from Chiang Rai (CEI) to Ulaanbaatar (ULN) is 2534 miles / 4078 kilometers, and travel time by car is about 51 hours 3 minutes.
Chiang Rai International Airport – Buyant-Ukhaa International Airport
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Distance from Chiang Rai to Ulaanbaatar
There are several ways to calculate the distance from Chiang Rai to Ulaanbaatar. Here are two standard methods:
Vincenty's formula (applied above)- 1960.854 miles
- 3155.689 kilometers
- 1703.936 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1965.215 miles
- 3162.706 kilometers
- 1707.725 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).
How long does it take to fly from Chiang Rai to Ulaanbaatar?
The estimated flight time from Chiang Rai International Airport to Buyant-Ukhaa International Airport is 4 hours and 12 minutes.
What is the time difference between Chiang Rai and Ulaanbaatar?
Flight carbon footprint between Chiang Rai International Airport (CEI) and Buyant-Ukhaa International Airport (ULN)
On average, flying from Chiang Rai to Ulaanbaatar generates about 214 kg of CO2 per passenger, and 214 kilograms equals 472 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Chiang Rai to Ulaanbaatar
See the map of the shortest flight path between Chiang Rai International Airport (CEI) and Buyant-Ukhaa International Airport (ULN).
Airport information
| Origin | Chiang Rai International Airport |
|---|---|
| City: | Chiang Rai |
| Country: | Thailand  |
| IATA Code: | CEI |
| ICAO Code: | VTCT |
| Coordinates: | 19°57′8″N, 99°52′58″E |
| Destination | Buyant-Ukhaa International Airport |
|---|---|
| City: | Ulaanbaatar |
| Country: | Mongolia  |
| IATA Code: | ULN |
| ICAO Code: | ZMUB |
| Coordinates: | 47°50′35″N, 106°46′1″E |