How far is Zhangye from Roi Et?

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

The driving distance from Roi Et (ROI) to Zhangye (YZY) is 2190 miles / 3525 kilometers, and travel time by car is about 42 hours 0 minutes.

Distance from Roi Et to Zhangye

There are several ways to calculate the distance from Roi Et to Zhangye. 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 Roi Et to Zhangye?

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

What is the time difference between Roi Et and Zhangye?

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

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

On average, flying from Roi Et to Zhangye 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 Roi Et to Zhangye

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

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