How far is Ko Samui from Chiang Rai?

The distance between Chiang Rai (Chiang Rai International Airport) and Ko Samui (Samui Airport) is 715 miles / 1151 kilometers / 622 nautical miles.

Distance from Chiang Rai to Ko Samui

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

Vincenty's formula (applied above)

• 715.452 miles
• 1151.409 kilometers
• 621.711 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

• 718.982 miles
• 1157.090 kilometers
• 624.779 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 Rai to Ko Samui?

The estimated flight time from Chiang Rai International Airport to Samui Airport is 1 hour and 51 minutes.

What is the time difference between Chiang Rai and Ko Samui?

There is no time difference between Chiang Rai and Ko Samui.

Flight carbon footprint between Chiang Rai International Airport (CEI) and Samui Airport (USM)

On average, flying from Chiang Rai to Ko Samui generates about 126 kg of CO2 per passenger, and 126 kilograms equals 278 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chiang Rai to Ko Samui

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

Airport information

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

Destination	Samui Airport
City:	Ko Samui
Country:	Thailand
IATA Code:	USM
ICAO Code:	VTSM
Coordinates:	9°32′52″N, 100°3′43″E