How far is Xi'an from Roi Et?
The distance between Roi Et (Roi Et Airport) and Xi'an (Xi'an Xianyang International Airport) is 1299 miles / 2091 kilometers / 1129 nautical miles.
The driving distance from Roi Et (ROI) to Xi'an (XIY) is 1721 miles / 2770 kilometers, and travel time by car is about 33 hours 20 minutes.
Roi Et Airport – Xi'an Xianyang International Airport
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Distance from Roi Et to Xi'an
There are several ways to calculate the distance from Roi Et to Xi'an. Here are two standard methods:
Vincenty's formula (applied above)- 1299.164 miles
- 2090.802 kilometers
- 1128.943 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- 1303.594 miles
- 2097.932 kilometers
- 1132.793 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 Roi Et to Xi'an?
The estimated flight time from Roi Et Airport to Xi'an Xianyang International Airport is 2 hours and 57 minutes.
What is the time difference between Roi Et and Xi'an?
The time difference between Roi Et and Xi'an is 1 hour. Xi'an is 1 hour ahead of Roi Et.
Flight carbon footprint between Roi Et Airport (ROI) and Xi'an Xianyang International Airport (XIY)
On average, flying from Roi Et to Xi'an generates about 167 kg of CO2 per passenger, and 167 kilograms equals 368 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Roi Et to Xi'an
See the map of the shortest flight path between Roi Et Airport (ROI) and Xi'an Xianyang International Airport (XIY).
Airport information
| Origin | Roi Et Airport |
|---|---|
| City: | Roi Et |
| Country: | Thailand  |
| IATA Code: | ROI |
| ICAO Code: | VTUV |
| Coordinates: | 16°7′0″N, 103°46′26″E |
| Destination | Xi'an Xianyang International Airport |
|---|---|
| City: | Xi'an |
| Country: | China  |
| IATA Code: | XIY |
| ICAO Code: | ZLXY |
| Coordinates: | 34°26′49″N, 108°45′7″E |