Map of flight path and driving directions from Hat Yai to Roi Et.
Shortest flight path between Hat Yai International Airport (HDY) and Roi Et Airport (ROI).
How far is Roi Et from Hat Yai?
There are several ways to calculate distances between Hat Yai and Roi Et. Here are two common 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 earth.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).
Time difference and current local times
There is no time difference between Hat Yai and Roi Et.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 121 kg (268 pounds).
Frequent Flyer Miles Calculator
Hat Yai (HDY) → Roi Et (ROI).