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How far is Siem Reap from Colombo?

The distance between Colombo (Bandaranaike International Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 1709 miles / 2751 kilometers / 1485 nautical miles.

Bandaranaike International Airport – Siem Reap–Angkor International Airport

Distance arrow
1709
Miles
Distance arrow
2751
Kilometers
Distance arrow
1485
Nautical miles
Flight time duration
3 h 44 min
Time Difference
1 h 30 min
CO2 emission
193 kg

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Distance from Colombo to Siem Reap

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

Vincenty's formula (applied above)
  • 1709.201 miles
  • 2750.692 kilometers
  • 1485.255 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
  • 1707.795 miles
  • 2748.430 kilometers
  • 1484.033 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 Colombo to Siem Reap?

The estimated flight time from Bandaranaike International Airport to Siem Reap–Angkor International Airport is 3 hours and 44 minutes.

Flight carbon footprint between Bandaranaike International Airport (CMB) and Siem Reap–Angkor International Airport (SAI)

On average, flying from Colombo to Siem Reap generates about 193 kg of CO2 per passenger, and 193 kilograms equals 426 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Colombo to Siem Reap

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

Airport information

Origin Bandaranaike International Airport
City: Colombo
Country: Sri Lanka Flag of Sri Lanka
IATA Code: CMB
ICAO Code: VCBI
Coordinates: 7°10′50″N, 79°53′2″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