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How far is Ko Samui from London?

The distance between London (London Gatwick Airport) and Ko Samui (Samui Airport) is 6148 miles / 9895 kilometers / 5343 nautical miles.

London Gatwick Airport – Samui Airport

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6148
Miles
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9895
Kilometers
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5343
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)
  • 6148.209 miles
  • 9894.583 kilometers
  • 5342.647 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
  • 6142.905 miles
  • 9886.047 kilometers
  • 5338.038 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 Gatwick Airport to Samui Airport is 12 hours and 8 minutes.

Flight carbon footprint between London Gatwick Airport (LGW) and Samui Airport (USM)

On average, flying from London to Ko Samui generates about 737 kg of CO2 per passenger, and 737 kilograms equals 1 624 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 Gatwick Airport (LGW) and Samui Airport (USM).

Airport information

Origin London Gatwick Airport
City: London
Country: United Kingdom Flag of United Kingdom
IATA Code: LGW
ICAO Code: EGKK
Coordinates: 51°8′53″N, 0°11′25″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