How far is Roi Et from Siem Reap?

The distance between Siem Reap (Siem Reap–Angkor International Airport) and Roi Et (Roi Et Airport) is 191 miles / 308 kilometers / 166 nautical miles.

The driving distance from Siem Reap (SAI) to Roi Et (ROI) is 285 miles / 458 kilometers, and travel time by car is about 7 hours 3 minutes.

Distance from Siem Reap to Roi Et

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

Vincenty's formula (applied above)

• 191.280 miles
• 307.836 kilometers
• 166.218 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

• 192.199 miles
• 309.315 kilometers
• 167.017 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 Siem Reap to Roi Et?

The estimated flight time from Siem Reap–Angkor International Airport to Roi Et Airport is 51 minutes.

What is the time difference between Siem Reap and Roi Et?

There is no time difference between Siem Reap and Roi Et.

Flight carbon footprint between Siem Reap–Angkor International Airport (SAI) and Roi Et Airport (ROI)

On average, flying from Siem Reap to Roi Et generates about 53 kg of CO2 per passenger, and 53 kilograms equals 117 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Siem Reap to Roi Et

See the map of the shortest flight path between Siem Reap–Angkor International Airport (SAI) and Roi Et Airport (ROI).

Airport information

Origin	Siem Reap–Angkor International Airport
City:	Siem Reap
Country:	Cambodia
IATA Code:	SAI
ICAO Code:	VDSA
Coordinates:	13°22′9″N, 104°13′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