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How far is Chiang Rai from Sihanukville?

The distance between Sihanukville (Sihanouk International Airport) and Chiang Rai (Chiang Rai International Airport) is 691 miles / 1113 kilometers / 601 nautical miles.

The driving distance from Sihanukville (KOS) to Chiang Rai (CEI) is 905 miles / 1456 kilometers, and travel time by car is about 18 hours 8 minutes.

Sihanouk International Airport – Chiang Rai International Airport

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691
Miles
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1113
Kilometers
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601
Nautical miles

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Distance from Sihanukville to Chiang Rai

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

Vincenty's formula (applied above)
  • 691.305 miles
  • 1112.548 kilometers
  • 600.728 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
  • 694.125 miles
  • 1117.086 kilometers
  • 603.178 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 Sihanukville to Chiang Rai?

The estimated flight time from Sihanouk International Airport to Chiang Rai International Airport is 1 hour and 48 minutes.

What is the time difference between Sihanukville and Chiang Rai?

There is no time difference between Sihanukville and Chiang Rai.

Flight carbon footprint between Sihanouk International Airport (KOS) and Chiang Rai International Airport (CEI)

On average, flying from Sihanukville to Chiang Rai generates about 124 kg of CO2 per passenger, and 124 kilograms equals 273 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

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

Airport information

Origin Sihanouk International Airport
City: Sihanukville
Country: Cambodia Flag of Cambodia
IATA Code: KOS
ICAO Code: VDSV
Coordinates: 10°34′46″N, 103°38′13″E
Destination 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