How far is Roi Et from Ulaanbaatar?
The distance between Ulaanbaatar (Buyant-Ukhaa International Airport) and Roi Et (Roi Et Airport) is 2193 miles / 3529 kilometers / 1906 nautical miles.
The driving distance from Ulaanbaatar (ULN) to Roi Et (ROI) is 2811 miles / 4524 kilometers, and travel time by car is about 56 hours 30 minutes.
Buyant-Ukhaa International Airport – Roi Et Airport
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Distance from Ulaanbaatar to Roi Et
There are several ways to calculate the distance from Ulaanbaatar to Roi Et. Here are two standard methods:
Vincenty's formula (applied above)- 2192.898 miles
- 3529.127 kilometers
- 1905.576 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- 2198.691 miles
- 3538.450 kilometers
- 1910.610 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 Ulaanbaatar to Roi Et?
The estimated flight time from Buyant-Ukhaa International Airport to Roi Et Airport is 4 hours and 39 minutes.
What is the time difference between Ulaanbaatar and Roi Et?
The time difference between Ulaanbaatar and Roi Et is 1 hour. Roi Et is 1 hour behind Ulaanbaatar.
Flight carbon footprint between Buyant-Ukhaa International Airport (ULN) and Roi Et Airport (ROI)
On average, flying from Ulaanbaatar to Roi Et generates about 240 kg of CO2 per passenger, and 240 kilograms equals 528 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ulaanbaatar to Roi Et
See the map of the shortest flight path between Buyant-Ukhaa International Airport (ULN) and Roi Et Airport (ROI).
Airport information
| Origin | Buyant-Ukhaa International Airport |
|---|---|
| City: | Ulaanbaatar |
| Country: | Mongolia  |
| IATA Code: | ULN |
| ICAO Code: | ZMUB |
| Coordinates: | 47°50′35″N, 106°46′1″E |
| Destination | Roi Et Airport |
|---|---|
| City: | Roi Et |
| Country: | Thailand  |
| IATA Code: | ROI |
| ICAO Code: | VTUV |
| Coordinates: | 16°7′0″N, 103°46′26″E |