How far is Ulsan from Rayong?

The distance between Rayong (U-Tapao International Airport) and Ulsan (Ulsan Airport) is 2369 miles / 3813 kilometers / 2059 nautical miles.

The driving distance from Rayong (UTP) to Ulsan (USN) is 3582 miles / 5764 kilometers, and travel time by car is about 67 hours 43 minutes.

Distance from Rayong to Ulsan

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

Vincenty's formula (applied above)

• 2369.049 miles
• 3812.615 kilometers
• 2058.647 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

• 2370.857 miles
• 3815.524 kilometers
• 2060.218 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 Rayong to Ulsan?

The estimated flight time from U-Tapao International Airport to Ulsan Airport is 4 hours and 59 minutes.

What is the time difference between Rayong and Ulsan?

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

Flight carbon footprint between U-Tapao International Airport (UTP) and Ulsan Airport (USN)

On average, flying from Rayong to Ulsan generates about 260 kg of CO2 per passenger, and 260 kilograms equals 573 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rayong to Ulsan

See the map of the shortest flight path between U-Tapao International Airport (UTP) and Ulsan Airport (USN).

Airport information

Origin	U-Tapao International Airport
City:	Rayong
Country:	Thailand
IATA Code:	UTP
ICAO Code:	VTBU
Coordinates:	12°40′47″N, 101°0′17″E

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