Air Miles Calculator

Distance between Hat Yai (HDY) and Rayong (UTP)

Flight distance from Hat Yai to Rayong (Hat Yai International Airport – U-Tapao International Airport) is 397 miles / 639 kilometers / 345 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from Hat Yai (HDY) to Rayong (UTP) is 686 miles / 1104 kilometers and travel time by car is about 12 hours 37 minutes.

Map of flight path and driving directions from Hat Yai to Rayong.

Shortest flight path between Hat Yai International Airport (HDY) and U-Tapao International Airport (UTP).

How far is Rayong from Hat Yai?

There are several ways to calculate distances between Hat Yai and Rayong. Here are two common methods:

Vincenty's formula (applied above)
  • 397.155 miles
  • 639.159 kilometers
  • 345.118 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
  • 399.237 miles
  • 642.509 kilometers
  • 346.927 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 U-Tapao International Airport
City: Rayong
Country: Thailand Flag of Thailand
IATA Code: UTP
ICAO Code: VTBU
Coordinates: 12°40′47″N, 101°0′17″E

Time difference and current local times

There is no time difference between Hat Yai and Rayong.

Time Difference

Hat Yai

 +07

Rayong

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (184 pounds).

Frequent Flyer Miles Calculator

Hat Yai (HDY) → Rayong (UTP).

Distance:
397
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
397

Round trip?