How far is Roi Et from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Roi Et (Roi Et Airport) is 366 miles / 589 kilometers / 318 nautical miles.

The driving distance from Chiang Mai (CNX) to Roi Et (ROI) is 491 miles / 790 kilometers, and travel time by car is about 10 hours 48 minutes.

Distance from Chiang Mai to Roi Et

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

Vincenty's formula (applied above)

• 366.133 miles
• 589.235 kilometers
• 318.161 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

• 366.171 miles
• 589.295 kilometers
• 318.194 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 Chiang Mai to Roi Et?

The estimated flight time from Chiang Mai International Airport to Roi Et Airport is 1 hour and 11 minutes.

What is the time difference between Chiang Mai and Roi Et?

There is no time difference between Chiang Mai and Roi Et.

Flight carbon footprint between Chiang Mai International Airport (CNX) and Roi Et Airport (ROI)

On average, flying from Chiang Mai to Roi Et generates about 79 kg of CO2 per passenger, and 79 kilograms equals 174 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chiang Mai to Roi Et

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Roi Et Airport (ROI).

Airport information

Origin	Chiang Mai International Airport
City:	Chiang Mai
Country:	Thailand
IATA Code:	CNX
ICAO Code:	VTCC
Coordinates:	18°46′0″N, 98°57′45″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