# How far is Udon Thani from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Udon Thani (Udon Thani International Airport) is 269 miles / 433 kilometers / 234 nautical miles.

The driving distance from Chiang Mai (CNX) to Udon Thani (UTH) is 441 miles / 709 kilometers, and travel time by car is about 10 hours 7 minutes.

269
Miles
433
Kilometers
234
Nautical miles
1 h 0 min

## Distance from Chiang Mai to Udon Thani

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

Vincenty's formula (applied above)
• 268.928 miles
• 432.798 kilometers
• 233.692 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
• 268.746 miles
• 432.504 kilometers
• 233.534 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 Udon Thani?

The estimated flight time from Chiang Mai International Airport to Udon Thani International Airport is 1 hour and 0 minutes.

## What is the time difference between Chiang Mai and Udon Thani?

There is no time difference between Chiang Mai and Udon Thani.

## Flight carbon footprint between Chiang Mai International Airport (CNX) and Udon Thani International Airport (UTH)

On average, flying from Chiang Mai to Udon Thani generates about 65 kg of CO2 per passenger, and 65 kilograms equals 142 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 Udon Thani

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Udon Thani International Airport (UTH).

## 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 Udon Thani International Airport
City: Udon Thani
Country: Thailand
IATA Code: UTH
ICAO Code: VTUD
Coordinates: 17°23′11″N, 102°47′16″E