# How far is Ha Long from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Ha Long (Van Don International Airport) is 573 miles / 922 kilometers / 498 nautical miles.

The driving distance from Chiang Mai (CNX) to Ha Long (VDO) is 890 miles / 1433 kilometers, and travel time by car is about 20 hours 11 minutes.

573
Miles
922
Kilometers
498
Nautical miles
1 h 35 min
109 kg

## Distance from Chiang Mai to Ha Long

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

Vincenty's formula (applied above)
• 572.946 miles
• 922.067 kilometers
• 497.876 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
• 572.354 miles
• 921.115 kilometers
• 497.362 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 Ha Long?

The estimated flight time from Chiang Mai International Airport to Van Don International Airport is 1 hour and 35 minutes.

## Flight carbon footprint between Chiang Mai International Airport (CNX) and Van Don International Airport (VDO)

On average, flying from Chiang Mai to Ha Long generates about 109 kg of CO2 per passenger, and 109 kilograms equals 241 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 Ha Long

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Van Don International Airport (VDO).

## 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 Van Don International Airport
City: Ha Long
Country: Vietnam
IATA Code: VDO
ICAO Code: VVVD
Coordinates: 21°7′4″N, 107°24′51″E