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How far is Simao from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Simao (Pu'er Simao Airport) is 306 miles / 492 kilometers / 266 nautical miles.

The driving distance from Chiang Mai (CNX) to Simao (SYM) is 410 miles / 660 kilometers, and travel time by car is about 9 hours 58 minutes.

Chiang Mai International Airport – Pu'er Simao Airport

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306
Miles
Distance arrow
492
Kilometers
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266
Nautical miles

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Distance from Chiang Mai to Simao

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

Vincenty's formula (applied above)
  • 305.620 miles
  • 491.848 kilometers
  • 265.577 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
  • 306.627 miles
  • 493.468 kilometers
  • 266.451 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 Mai to Simao?

The estimated flight time from Chiang Mai International Airport to Pu'er Simao Airport is 1 hour and 4 minutes.

Flight carbon footprint between Chiang Mai International Airport (CNX) and Pu'er Simao Airport (SYM)

On average, flying from Chiang Mai to Simao generates about 70 kg of CO2 per passenger, and 70 kilograms equals 154 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 Mai to Simao

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Pu'er Simao Airport (SYM).

Airport information

Origin 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
Destination Pu'er Simao Airport
City: Simao
Country: China Flag of China
IATA Code: SYM
ICAO Code: ZPSM
Coordinates: 22°47′35″N, 100°57′32″E