Air Miles Calculator

Distance between Hat Yai (HDY) and Chiang Rai (CEI)

Flight distance from Hat Yai to Chiang Rai (Hat Yai International Airport – Chiang Rai International Airport) is 896 miles / 1441 kilometers / 778 nautical miles. Estimated flight time is 2 hours 11 minutes.

Driving distance from Hat Yai (HDY) to Chiang Rai (CEI) is 1099 miles / 1768 kilometers and travel time by car is about 19 hours 57 minutes.

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).

Airport information


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

B Chiang Rai International Airport
City: Chiang Rai
Country: Thailand Flag of Thailand
IATA Code: CEI
ICAO Code: VTCT
Coordinates: 19°57′8″N, 99°52′58″E

Time difference and current local times

There is no time difference between Hat Yai and Chiang Rai.

Time Difference

Hat Yai

 +07

Chiang Rai

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (316 pounds).

Frequent Flyer Miles Calculator

Hat Yai (HDY) → Chiang Rai (CEI).

Distance:
896
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
896

Round trip?