How far is Roi Et from Zhaotong?

The distance between Zhaotong (Zhaotong Airport) and Roi Et (Roi Et Airport) is 771 miles / 1241 kilometers / 670 nautical miles.

The driving distance from Zhaotong (ZAT) to Roi Et (ROI) is 1152 miles / 1854 kilometers, and travel time by car is about 22 hours 50 minutes.

Distance from Zhaotong to Roi Et

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

Vincenty's formula (applied above)

• 771.210 miles
• 1241.142 kilometers
• 670.163 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

• 774.455 miles
• 1246.365 kilometers
• 672.983 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 Zhaotong to Roi Et?

The estimated flight time from Zhaotong Airport to Roi Et Airport is 1 hour and 57 minutes.

What is the time difference between Zhaotong and Roi Et?

The time difference between Zhaotong and Roi Et is 1 hour. Roi Et is 1 hour behind Zhaotong.

Flight carbon footprint between Zhaotong Airport (ZAT) and Roi Et Airport (ROI)

On average, flying from Zhaotong to Roi Et generates about 132 kg of CO2 per passenger, and 132 kilograms equals 291 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Zhaotong Airport (ZAT) and Roi Et Airport (ROI).

Airport information

Origin	Zhaotong Airport
City:	Zhaotong
Country:	China
IATA Code:	ZAT
ICAO Code:	ZPZT
Coordinates:	27°19′32″N, 103°45′17″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