How far is Chiang Mai from Roi Et?

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

The driving distance from Roi Et (ROI) to Chiang Mai (CNX) is 487 miles / 784 kilometers, and travel time by car is about 10 hours 47 minutes.

Distance from Roi Et to Chiang Mai

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

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

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

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

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

On average, flying from Roi Et to Chiang Mai 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 Roi Et to Chiang Mai

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

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