# How far is Chiang Mai from Phuket?

The distance between Phuket (Phuket International Airport) and Chiang Mai (Chiang Mai International Airport) is 734 miles / 1181 kilometers / 638 nautical miles.

The driving distance from Phuket (HKT) to Chiang Mai (CNX) is 941 miles / 1514 kilometers, and travel time by car is about 18 hours 58 minutes.

734
Miles
1181
Kilometers
638
Nautical miles
1 h 53 min
128 kg

## Distance from Phuket to Chiang Mai

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

Vincenty's formula (applied above)
• 733.683 miles
• 1180.749 kilometers
• 637.553 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
• 737.367 miles
• 1186.677 kilometers
• 640.755 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 Phuket to Chiang Mai?

The estimated flight time from Phuket International Airport to Chiang Mai International Airport is 1 hour and 53 minutes.

## Flight carbon footprint between Phuket International Airport (HKT) and Chiang Mai International Airport (CNX)

On average, flying from Phuket to Chiang Mai generates about 128 kg of CO2 per passenger, and 128 kilograms equals 283 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Phuket to Chiang Mai

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

## Airport information

Origin Phuket International Airport
City: Phuket
Country: Thailand
IATA Code: HKT
ICAO Code: VTSP
Coordinates: 8°6′47″N, 98°19′0″E
Destination Chiang Mai International Airport
City: Chiang Mai
Country: Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E