Air Miles Calculator

Distance between Hat Yai (HDY) and Dong Hoi (VDH)

Flight distance from Hat Yai to Dong Hoi (Hat Yai International Airport – Dong Hoi Airport) is 839 miles / 1350 kilometers / 729 nautical miles. Estimated flight time is 2 hours 5 minutes.

Driving distance from Hat Yai (HDY) to Dong Hoi (VDH) is 1255 miles / 2019 kilometers and travel time by car is about 23 hours 46 minutes.

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

Shortest flight path between Hat Yai International Airport (HDY) and Dong Hoi Airport (VDH).

How far is Dong Hoi from Hat Yai?

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

Vincenty's formula (applied above)
  • 839.118 miles
  • 1350.430 kilometers
  • 729.174 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
  • 842.094 miles
  • 1355.218 kilometers
  • 731.759 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 Dong Hoi Airport
City: Dong Hoi
Country: Vietnam Flag of Vietnam
IATA Code: VDH
ICAO Code: VVDH
Coordinates: 17°30′54″N, 106°35′26″E

Time difference and current local times

There is no time difference between Hat Yai and Dong Hoi.

Time Difference

Hat Yai

 +07

Dong Hoi

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 138 kg (305 pounds).

Frequent Flyer Miles Calculator

Hat Yai (HDY) → Dong Hoi (VDH).

Distance:
839
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
839

Round trip?