# How far is Vientiane from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Vientiane (Wattay International Airport) is 242 miles / 390 kilometers / 211 nautical miles.

The driving distance from Chiang Mai (CNX) to Vientiane (VTE) is 393 miles / 633 kilometers, and travel time by car is about 11 hours 0 minutes.

242
Miles
390
Kilometers
211
Nautical miles

## Distance from Chiang Mai to Vientiane

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

Vincenty's formula (applied above)
• 242.401 miles
• 390.106 kilometers
• 210.641 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
• 242.121 miles
• 389.656 kilometers
• 210.398 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 Vientiane?

The estimated flight time from Chiang Mai International Airport to Wattay International Airport is 57 minutes.

## Flight carbon footprint between Chiang Mai International Airport (CNX) and Wattay International Airport (VTE)

On average, flying from Chiang Mai to Vientiane generates about 61 kg of CO2 per passenger, and 61 kilograms equals 134 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 Vientiane

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Wattay International Airport (VTE).

## 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 Wattay International Airport
City: Vientiane
Country: Laos
IATA Code: VTE
ICAO Code: VLVT
Coordinates: 17°59′17″N, 102°33′46″E