# How far is Kunming from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Kunming (Kunming Changshui International Airport) is 492 miles / 792 kilometers / 428 nautical miles.

The driving distance from Chiang Mai (CNX) to Kunming (KMG) is 672 miles / 1082 kilometers, and travel time by car is about 14 hours 50 minutes.

492
Miles
792
Kilometers
428
Nautical miles
1 h 25 min

## Distance from Chiang Mai to Kunming

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

Vincenty's formula (applied above)
• 492.301 miles
• 792.282 kilometers
• 427.798 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
• 493.681 miles
• 794.502 kilometers
• 428.997 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 Kunming?

The estimated flight time from Chiang Mai International Airport to Kunming Changshui International Airport is 1 hour and 25 minutes.

## Flight carbon footprint between Chiang Mai International Airport (CNX) and Kunming Changshui International Airport (KMG)

On average, flying from Chiang Mai to Kunming generates about 97 kg of CO2 per passenger, and 97 kilograms equals 215 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 Kunming

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Kunming Changshui International Airport (KMG).

## Airport information

Origin Chiang Mai International Airport
City: Chiang Mai
Country: Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E
Destination Kunming Changshui International Airport
City: Kunming
Country: China
IATA Code: KMG
ICAO Code: ZPPP
Coordinates: 24°59′32″N, 102°44′38″E