Air Miles Calculator

Distance between Hat Yai (HDY) and Haiphong (HPH)

Flight distance from Hat Yai to Haiphong (Hat Yai International Airport – Cat Bi International Airport) is 1045 miles / 1681 kilometers / 908 nautical miles. Estimated flight time is 2 hours 28 minutes.

Driving distance from Hat Yai (HDY) to Haiphong (HPH) is 1450 miles / 2334 kilometers and travel time by car is about 27 hours 47 minutes.

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

Shortest flight path between Hat Yai International Airport (HDY) and Cat Bi International Airport (HPH).

How far is Haiphong from Hat Yai?

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

Vincenty's formula (applied above)
  • 1044.620 miles
  • 1681.152 kilometers
  • 907.750 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
  • 1048.748 miles
  • 1687.797 kilometers
  • 911.337 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 Cat Bi International Airport
City: Haiphong
Country: Vietnam Flag of Vietnam
IATA Code: HPH
ICAO Code: VVCI
Coordinates: 20°49′9″N, 106°43′29″E

Time difference and current local times

There is no time difference between Hat Yai and Haiphong.

Time Difference

Hat Yai

 +07

Haiphong

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 154 kg (339 pounds).

Frequent Flyer Miles Calculator

Hat Yai (HDY) → Haiphong (HPH).

Distance:
1045
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1045

Round trip?