Air Miles Calculator logo

How far is Siem Reap from Ko Samui?

The distance between Ko Samui (Samui Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 385 miles / 620 kilometers / 335 nautical miles.

Samui Airport – Siem Reap–Angkor International Airport

Distance arrow
385
Miles
Distance arrow
620
Kilometers
Distance arrow
335
Nautical miles

Search flights

Distance from Ko Samui to Siem Reap

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

Vincenty's formula (applied above)
  • 385.424 miles
  • 620.279 kilometers
  • 334.924 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
  • 386.101 miles
  • 621.369 kilometers
  • 335.512 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 Ko Samui to Siem Reap?

The estimated flight time from Samui Airport to Siem Reap–Angkor International Airport is 1 hour and 13 minutes.

What is the time difference between Ko Samui and Siem Reap?

There is no time difference between Ko Samui and Siem Reap.

Flight carbon footprint between Samui Airport (USM) and Siem Reap–Angkor International Airport (SAI)

On average, flying from Ko Samui to Siem Reap generates about 82 kg of CO2 per passenger, and 82 kilograms equals 180 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Ko Samui to Siem Reap

See the map of the shortest flight path between Samui Airport (USM) and Siem Reap–Angkor International Airport (SAI).

Airport information

Origin Samui Airport
City: Ko Samui
Country: Thailand Flag of Thailand
IATA Code: USM
ICAO Code: VTSM
Coordinates: 9°32′52″N, 100°3′43″E
Destination Siem Reap–Angkor International Airport
City: Siem Reap
Country: Cambodia Flag of Cambodia
IATA Code: SAI
ICAO Code: VDSA
Coordinates: 13°22′9″N, 104°13′23″E