# How far is Hong Kong from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Hong Kong (Hong Kong International Airport) is 999 miles / 1607 kilometers / 868 nautical miles.

The driving distance from Chiang Mai (CNX) to Hong Kong (HKG) is 1404 miles / 2259 kilometers, and travel time by car is about 29 hours 16 minutes.

999
Miles
1607
Kilometers
868
Nautical miles
2 h 23 min
151 kg

## Distance from Chiang Mai to Hong Kong

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

Vincenty's formula (applied above)
• 998.558 miles
• 1607.023 kilometers
• 867.723 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
• 997.382 miles
• 1605.130 kilometers
• 866.701 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 Hong Kong?

The estimated flight time from Chiang Mai International Airport to Hong Kong International Airport is 2 hours and 23 minutes.

## Flight carbon footprint between Chiang Mai International Airport (CNX) and Hong Kong International Airport (HKG)

On average, flying from Chiang Mai to Hong Kong generates about 151 kg of CO2 per passenger, and 151 kilograms equals 332 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 Hong Kong

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Hong Kong International Airport (HKG).

## 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 Hong Kong International Airport
City: Hong Kong
Country: Hong Kong
IATA Code: HKG
ICAO Code: VHHH
Coordinates: 22°18′32″N, 113°54′54″E