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How far is Kathmandu from Ko Samui?

The distance between Ko Samui (Samui Airport) and Kathmandu (Tribhuvan International Airport) is 1574 miles / 2533 kilometers / 1368 nautical miles.

Samui Airport – Tribhuvan International Airport

Distance arrow
1574
Miles
Distance arrow
2533
Kilometers
Distance arrow
1368
Nautical miles
Flight time duration
3 h 28 min
Time Difference
1 h 15 min
CO2 emission
184 kg

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Distance from Ko Samui to Kathmandu

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

Vincenty's formula (applied above)
  • 1573.794 miles
  • 2532.775 kilometers
  • 1367.589 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
  • 1577.413 miles
  • 2538.599 kilometers
  • 1370.734 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 Kathmandu?

The estimated flight time from Samui Airport to Tribhuvan International Airport is 3 hours and 28 minutes.

Flight carbon footprint between Samui Airport (USM) and Tribhuvan International Airport (KTM)

On average, flying from Ko Samui to Kathmandu generates about 184 kg of CO2 per passenger, and 184 kilograms equals 406 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Ko Samui to Kathmandu

See the map of the shortest flight path between Samui Airport (USM) and Tribhuvan International Airport (KTM).

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 Tribhuvan International Airport
City: Kathmandu
Country: Nepal Flag of Nepal
IATA Code: KTM
ICAO Code: VNKT
Coordinates: 27°41′47″N, 85°21′32″E