How far is Dazhou from Roi Et?

The distance between Roi Et (Roi Et Airport) and Dazhou (Dazhou Heshi Airport) is 1071 miles / 1724 kilometers / 931 nautical miles.

The driving distance from Roi Et (ROI) to Dazhou (DAX) is 1421 miles / 2287 kilometers, and travel time by car is about 27 hours 57 minutes.

Distance from Roi Et to Dazhou

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

Vincenty's formula (applied above)

• 1071.040 miles
• 1723.672 kilometers
• 930.708 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

• 1074.974 miles
• 1730.003 kilometers
• 934.127 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 Dazhou?

The estimated flight time from Roi Et Airport to Dazhou Heshi Airport is 2 hours and 31 minutes.

What is the time difference between Roi Et and Dazhou?

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

Flight carbon footprint between Roi Et Airport (ROI) and Dazhou Heshi Airport (DAX)

On average, flying from Roi Et to Dazhou generates about 155 kg of CO2 per passenger, and 155 kilograms equals 342 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 Dazhou

See the map of the shortest flight path between Roi Et Airport (ROI) and Dazhou Heshi Airport (DAX).

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	Dazhou Heshi Airport
City:	Dazhou
Country:	China
IATA Code:	DAX
ICAO Code:	ZUDX
Coordinates:	31°17′59″N, 107°30′0″E