How far is Roi Et from Zhangye?

The distance between Zhangye (Zhangye Ganzhou Airport) and Roi Et (Roi Et Airport) is 1573 miles / 2532 kilometers / 1367 nautical miles.

The driving distance from Zhangye (YZY) to Roi Et (ROI) is 2212 miles / 3560 kilometers, and travel time by car is about 42 hours 31 minutes.

Distance from Zhangye to Roi Et

There are several ways to calculate the distance from Zhangye to Roi Et. Here are two standard methods:

Vincenty's formula (applied above)

• 1573.372 miles
• 2532.097 kilometers
• 1367.223 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

• 1578.592 miles
• 2540.497 kilometers
• 1371.759 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 Zhangye to Roi Et?

The estimated flight time from Zhangye Ganzhou Airport to Roi Et Airport is 3 hours and 28 minutes.

What is the time difference between Zhangye and Roi Et?

The time difference between Zhangye and Roi Et is 15 hours. Roi Et is 15 hours ahead of Zhangye.

Flight carbon footprint between Zhangye Ganzhou Airport (YZY) and Roi Et Airport (ROI)

On average, flying from Zhangye to Roi Et generates about 184 kg of CO2 per passenger, and 184 kilograms equals 406 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Zhangye to Roi Et

See the map of the shortest flight path between Zhangye Ganzhou Airport (YZY) and Roi Et Airport (ROI).

Airport information

Origin	Zhangye Ganzhou Airport
City:	Zhangye
Country:	China
IATA Code:	YZY
ICAO Code:	ZLZY
Coordinates:	38°48′6″N, 100°40′30″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