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How far is Ulsan from Chiang Rai?

The distance between Chiang Rai (Chiang Rai International Airport) and Ulsan (Ulsan Airport) is 2089 miles / 3362 kilometers / 1815 nautical miles.

The driving distance from Chiang Rai (CEI) to Ulsan (USN) is 2785 miles / 4482 kilometers, and travel time by car is about 61 hours 38 minutes.

Chiang Rai International Airport – Ulsan Airport

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2089
Miles
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3362
Kilometers
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1815
Nautical miles

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Distance from Chiang Rai to Ulsan

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

Vincenty's formula (applied above)
  • 2089.122 miles
  • 3362.116 kilometers
  • 1815.397 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
  • 2088.177 miles
  • 3360.594 kilometers
  • 1814.576 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 Chiang Rai to Ulsan?

The estimated flight time from Chiang Rai International Airport to Ulsan Airport is 4 hours and 27 minutes.

Flight carbon footprint between Chiang Rai International Airport (CEI) and Ulsan Airport (USN)

On average, flying from Chiang Rai to Ulsan generates about 228 kg of CO2 per passenger, and 228 kilograms equals 502 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chiang Rai to Ulsan

See the map of the shortest flight path between Chiang Rai International Airport (CEI) and Ulsan Airport (USN).

Airport information

Origin Chiang Rai International Airport
City: Chiang Rai
Country: Thailand Flag of Thailand
IATA Code: CEI
ICAO Code: VTCT
Coordinates: 19°57′8″N, 99°52′58″E
Destination Ulsan Airport
City: Ulsan
Country: South Korea Flag of South Korea
IATA Code: USN
ICAO Code: RKPU
Coordinates: 35°35′36″N, 129°21′7″E