How far is Zhaotong from Roi Et?

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

The driving distance from Roi Et (ROI) to Zhaotong (ZAT) is 1150 miles / 1851 kilometers, and travel time by car is about 22 hours 39 minutes.

Distance from Roi Et to Zhaotong

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

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

What is the time difference between Roi Et and Zhaotong?

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

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

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

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

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