How far is Ulsan from Hat Yai?

The distance between Hat Yai (Hat Yai International Airport) and Ulsan (Ulsan Airport) is 2694 miles / 4336 kilometers / 2341 nautical miles.

The driving distance from Hat Yai (HDY) to Ulsan (USN) is 4118 miles / 6628 kilometers, and travel time by car is about 77 hours 36 minutes.

Distance from Hat Yai to Ulsan

There are several ways to calculate the distance from Hat Yai to Ulsan. Here are two standard methods:

Vincenty's formula (applied above)

• 2694.407 miles
• 4336.228 kilometers
• 2341.376 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 2698.396 miles
• 4342.647 kilometers
• 2344.842 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).

How long does it take to fly from Hat Yai to Ulsan?

The estimated flight time from Hat Yai International Airport to Ulsan Airport is 5 hours and 36 minutes.

What is the time difference between Hat Yai and Ulsan?

The time difference between Hat Yai and Ulsan is 2 hours. Ulsan is 2 hours ahead of Hat Yai.

Flight carbon footprint between Hat Yai International Airport (HDY) and Ulsan Airport (USN)

On average, flying from Hat Yai to Ulsan generates about 298 kg of CO2 per passenger, and 298 kilograms equals 657 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Hat Yai to Ulsan

See the map of the shortest flight path between Hat Yai International Airport (HDY) and Ulsan Airport (USN).

Airport information

Origin	Hat Yai International Airport
City:	Hat Yai
Country:	Thailand
IATA Code:	HDY
ICAO Code:	VTSS
Coordinates:	6°55′59″N, 100°23′34″E

Destination	Ulsan Airport
City:	Ulsan
Country:	South Korea
IATA Code:	USN
ICAO Code:	RKPU
Coordinates:	35°35′36″N, 129°21′7″E