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How far is Ko Samui from London?

The distance between London (London Heathrow Airport) and Ko Samui (Samui Airport) is 6154 miles / 9904 kilometers / 5348 nautical miles.

London Heathrow Airport – Samui Airport

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6154
Miles
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9904
Kilometers
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5348
Nautical miles

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Distance from London to Ko Samui

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

Vincenty's formula (applied above)
  • 6154.168 miles
  • 9904.174 kilometers
  • 5347.826 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
  • 6148.884 miles
  • 9895.670 kilometers
  • 5343.234 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 London to Ko Samui?

The estimated flight time from London Heathrow Airport to Samui Airport is 12 hours and 9 minutes.

Flight carbon footprint between London Heathrow Airport (LHR) and Samui Airport (USM)

On average, flying from London to Ko Samui generates about 738 kg of CO2 per passenger, and 738 kilograms equals 1 626 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from London to Ko Samui

See the map of the shortest flight path between London Heathrow Airport (LHR) and Samui Airport (USM).

Airport information

Origin London Heathrow Airport
City: London
Country: United Kingdom Flag of United Kingdom
IATA Code: LHR
ICAO Code: EGLL
Coordinates: 51°28′14″N, 0°27′42″W
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