How far is Chiang Mai from Ranong?

The distance between Ranong (Ranong Airport) and Chiang Mai (Chiang Mai International Airport) is 619 miles / 995 kilometers / 537 nautical miles.

The driving distance from Ranong (UNN) to Chiang Mai (CNX) is 800 miles / 1288 kilometers, and travel time by car is about 15 hours 37 minutes.

Distance from Ranong to Chiang Mai

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

Vincenty's formula (applied above)

• 618.530 miles
• 995.427 kilometers
• 537.488 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

• 621.605 miles
• 1000.376 kilometers
• 540.160 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 Ranong to Chiang Mai?

The estimated flight time from Ranong Airport to Chiang Mai International Airport is 1 hour and 40 minutes.

What is the time difference between Ranong and Chiang Mai?

There is no time difference between Ranong and Chiang Mai.

Flight carbon footprint between Ranong Airport (UNN) and Chiang Mai International Airport (CNX)

On average, flying from Ranong to Chiang Mai generates about 115 kg of CO2 per passenger, and 115 kilograms equals 254 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ranong to Chiang Mai

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

Airport information

Origin	Ranong Airport
City:	Ranong
Country:	Thailand
IATA Code:	UNN
ICAO Code:	VTSR
Coordinates:	9°46′39″N, 98°35′7″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