Air Miles Calculator

Distance between Hat Yai (HDY) and Udon Thani (UTH)

Flight distance from Hat Yai to Udon Thani (Hat Yai International Airport – Udon Thani International Airport) is 737 miles / 1185 kilometers / 640 nautical miles. Estimated flight time is 1 hour 53 minutes.

Driving distance from Hat Yai (HDY) to Udon Thani (UTH) is 935 miles / 1504 kilometers and travel time by car is about 16 hours 54 minutes.

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).

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 Udon Thani International Airport
City: Udon Thani
Country: Thailand Flag of Thailand
IATA Code: UTH
ICAO Code: VTUD
Coordinates: 17°23′11″N, 102°47′16″E

Time difference and current local times

There is no time difference between Hat Yai and Udon Thani.

Time Difference

Hat Yai

 +07

Udon Thani

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 129 kg (283 pounds).

Frequent Flyer Miles Calculator

Hat Yai (HDY) → Udon Thani (UTH).

Distance:
737
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
737

Round trip?