Air Miles Calculator

Distance between Hat Yai (HDY) and Siem Reap (REP)

Flight distance from Hat Yai to Siem Reap (Hat Yai International Airport – Siem Reap International Airport) is 502 miles / 808 kilometers / 437 nautical miles. Estimated flight time is 1 hour 27 minutes.

Driving distance from Hat Yai (HDY) to Siem Reap (REP) is 833 miles / 1341 kilometers and travel time by car is about 15 hours 10 minutes.

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

Shortest flight path between Hat Yai International Airport (HDY) and Siem Reap International Airport (REP).

How far is Siem Reap from Hat Yai?

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

Vincenty's formula (applied above)
  • 502.360 miles
  • 808.470 kilometers
  • 436.539 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
  • 504.317 miles
  • 811.619 kilometers
  • 438.239 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 Siem Reap International Airport
City: Siem Reap
Country: Cambodia Flag of Cambodia
IATA Code: REP
ICAO Code: VDSR
Coordinates: 13°24′38″N, 103°48′46″E

Time difference and current local times

There is no time difference between Hat Yai and Siem Reap.

Time Difference

Hat Yai

 +07

Siem Reap

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 99 kg (218 pounds).

Frequent Flyer Miles Calculator

Hat Yai (HDY) → Siem Reap (REP).

Distance:
502
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
502

Round trip?