How far is Roi Et from Changde?

The distance between Changde (Changde Taohuayuan Airport) and Roi Et (Roi Et Airport) is 1014 miles / 1631 kilometers / 881 nautical miles.

The driving distance from Changde (CGD) to Roi Et (ROI) is 1368 miles / 2202 kilometers, and travel time by car is about 26 hours 25 minutes.

Distance from Changde to Roi Et

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

Vincenty's formula (applied above)

• 1013.532 miles
• 1631.121 kilometers
• 880.735 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

• 1016.277 miles
• 1635.539 kilometers
• 883.120 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 Changde to Roi Et?

The estimated flight time from Changde Taohuayuan Airport to Roi Et Airport is 2 hours and 25 minutes.

What is the time difference between Changde and Roi Et?

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

Flight carbon footprint between Changde Taohuayuan Airport (CGD) and Roi Et Airport (ROI)

On average, flying from Changde to Roi Et generates about 152 kg of CO2 per passenger, and 152 kilograms equals 334 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Changde Taohuayuan Airport (CGD) and Roi Et Airport (ROI).

Airport information

Origin	Changde Taohuayuan Airport
City:	Changde
Country:	China
IATA Code:	CGD
ICAO Code:	ZGCD
Coordinates:	28°55′8″N, 111°38′23″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