Map of flight path and driving directions from Hat Yai to Udon Thani.
Shortest flight path between Hat Yai International Airport (HDY) and Udon Thani International Airport (UTH).
How far is Udon Thani from Hat Yai?
There are several ways to calculate distances between Hat Yai and Udon Thani. Here are two common methods:Vincenty's formula (applied above)
- 736.526 miles
- 1185.323 kilometers
- 640.023 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
- 740.085 miles
- 1191.051 kilometers
- 643.116 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 Udon Thani.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 129 kg (283 pounds).
Frequent Flyer Miles Calculator
Hat Yai (HDY) → Udon Thani (UTH).