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How far is Ko Samui from Roi Et?

The distance between Roi Et (Roi Et Airport) and Ko Samui (Samui Airport) is 516 miles / 831 kilometers / 449 nautical miles.

Roi Et Airport – Samui Airport

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516
Miles
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831
Kilometers
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449
Nautical miles

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Distance from Roi Et to Ko Samui

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

Vincenty's formula (applied above)
  • 516.266 miles
  • 830.849 kilometers
  • 448.623 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
  • 518.129 miles
  • 833.847 kilometers
  • 450.242 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 Roi Et to Ko Samui?

The estimated flight time from Roi Et Airport to Samui Airport is 1 hour and 28 minutes.

What is the time difference between Roi Et and Ko Samui?

There is no time difference between Roi Et and Ko Samui.

Flight carbon footprint between Roi Et Airport (ROI) and Samui Airport (USM)

On average, flying from Roi Et to Ko Samui generates about 101 kg of CO2 per passenger, and 101 kilograms equals 223 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Roi Et to Ko Samui

See the map of the shortest flight path between Roi Et Airport (ROI) and Samui Airport (USM).

Airport information

Origin Roi Et Airport
City: Roi Et
Country: Thailand Flag of Thailand
IATA Code: ROI
ICAO Code: VTUV
Coordinates: 16°7′0″N, 103°46′26″E
Destination 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