How far is Roi Et from Hat Yai?

The distance between Hat Yai (Hat Yai International Airport) and Roi Et (Roi Et Airport) is 671 miles / 1081 kilometers / 583 nautical miles.

The driving distance from Hat Yai (HDY) to Roi Et (ROI) is 913 miles / 1469 kilometers, and travel time by car is about 17 hours 39 minutes.

Distance from Hat Yai to Roi Et

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

Vincenty's formula (applied above)

• 671.470 miles
• 1080.627 kilometers
• 583.492 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

• 674.455 miles
• 1085.429 kilometers
• 586.085 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 Hat Yai to Roi Et?

The estimated flight time from Hat Yai International Airport to Roi Et Airport is 1 hour and 46 minutes.

What is the time difference between Hat Yai and Roi Et?

There is no time difference between Hat Yai and Roi Et.

Flight carbon footprint between Hat Yai International Airport (HDY) and Roi Et Airport (ROI)

On average, flying from Hat Yai to Roi Et generates about 121 kg of CO2 per passenger, and 121 kilograms equals 268 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Hat Yai to Roi Et

See the map of the shortest flight path between Hat Yai International Airport (HDY) and Roi Et Airport (ROI).

Airport information

Origin	Hat Yai International Airport
City:	Hat Yai
Country:	Thailand
IATA Code:	HDY
ICAO Code:	VTSS
Coordinates:	6°55′59″N, 100°23′34″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