Map of flight path and driving directions from Hat Yai to Chiang Rai.
Shortest flight path between Hat Yai International Airport (HDY) and Chiang Rai International Airport (CEI).
How far is Chiang Rai from Hat Yai?
There are several ways to calculate distances between Hat Yai and Chiang Rai. Here are two common methods:Vincenty's formula (applied above)
- 895.686 miles
- 1441.467 kilometers
- 778.330 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
- 900.183 miles
- 1448.704 kilometers
- 782.238 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 Chiang Rai.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 143 kg (316 pounds).
Frequent Flyer Miles Calculator
Hat Yai (HDY) → Chiang Rai (CEI).