How far is Chiang Rai from Ranong?

The distance between Ranong (Ranong Airport) and Chiang Rai (Chiang Rai International Airport) is 705 miles / 1134 kilometers / 613 nautical miles.

The driving distance from Ranong (UNN) to Chiang Rai (CEI) is 891 miles / 1434 kilometers, and travel time by car is about 17 hours 6 minutes.

Distance from Ranong to Chiang Rai

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

Vincenty's formula (applied above)

• 704.899 miles
• 1134.425 kilometers
• 612.540 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

• 708.305 miles
• 1139.907 kilometers
• 615.501 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 Rai?

The estimated flight time from Ranong Airport to Chiang Rai International Airport is 1 hour and 50 minutes.

What is the time difference between Ranong and Chiang Rai?

There is no time difference between Ranong and Chiang Rai.

Flight carbon footprint between Ranong Airport (UNN) and Chiang Rai International Airport (CEI)

On average, flying from Ranong to Chiang Rai generates about 125 kg of CO2 per passenger, and 125 kilograms equals 276 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 Rai

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

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 Rai International Airport
City:	Chiang Rai
Country:	Thailand
IATA Code:	CEI
ICAO Code:	VTCT
Coordinates:	19°57′8″N, 99°52′58″E