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How far is Chiang Mai from Sihanukville?

The distance between Sihanukville (Sihanouk International Airport) and Chiang Mai (Chiang Mai International Airport) is 644 miles / 1036 kilometers / 559 nautical miles.

The driving distance from Sihanukville (KOS) to Chiang Mai (CNX) is 813 miles / 1309 kilometers, and travel time by car is about 16 hours 39 minutes.

Sihanouk International Airport – Chiang Mai International Airport

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644
Miles
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1036
Kilometers
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559
Nautical miles

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Distance from Sihanukville to Chiang Mai

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

Vincenty's formula (applied above)
  • 643.829 miles
  • 1036.143 kilometers
  • 559.472 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
  • 646.066 miles
  • 1039.742 kilometers
  • 561.416 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 Mai?

The estimated flight time from Sihanouk International Airport to Chiang Mai International Airport is 1 hour and 43 minutes.

What is the time difference between Sihanukville and Chiang Mai?

There is no time difference between Sihanukville and Chiang Mai.

Flight carbon footprint between Sihanouk International Airport (KOS) and Chiang Mai International Airport (CNX)

On average, flying from Sihanukville to Chiang Mai generates about 118 kg of CO2 per passenger, and 118 kilograms equals 260 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 Mai

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

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 Mai International Airport
City: Chiang Mai
Country: Thailand Flag of Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E