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How far is Chiang Mai from Heihe?

The distance between Heihe (Heihe Aihui Airport) and Chiang Mai (Chiang Mai International Airport) is 2670 miles / 4296 kilometers / 2320 nautical miles.

The driving distance from Heihe (HEK) to Chiang Mai (CNX) is 3303 miles / 5315 kilometers, and travel time by car is about 62 hours 25 minutes.

Heihe Aihui Airport – Chiang Mai International Airport

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2670
Miles
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4296
Kilometers
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2320
Nautical miles

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Distance from Heihe to Chiang Mai

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

Vincenty's formula (applied above)
  • 2669.579 miles
  • 4296.271 kilometers
  • 2319.801 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
  • 2671.629 miles
  • 4299.570 kilometers
  • 2321.582 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 Heihe to Chiang Mai?

The estimated flight time from Heihe Aihui Airport to Chiang Mai International Airport is 5 hours and 33 minutes.

Flight carbon footprint between Heihe Aihui Airport (HEK) and Chiang Mai International Airport (CNX)

On average, flying from Heihe to Chiang Mai generates about 295 kg of CO2 per passenger, and 295 kilograms equals 650 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Heihe to Chiang Mai

See the map of the shortest flight path between Heihe Aihui Airport (HEK) and Chiang Mai International Airport (CNX).

Airport information

Origin Heihe Aihui Airport
City: Heihe
Country: China Flag of China
IATA Code: HEK
ICAO Code: ZYHE
Coordinates: 50°10′17″N, 127°18′31″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