How far is Siem Reap from Colombo?
The distance between Colombo (Ratmalana Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 1716 miles / 2762 kilometers / 1491 nautical miles.
The driving distance from Colombo (RML) to Siem Reap (SAI) is 3519 miles / 5663 kilometers, and travel time by car is about 74 hours 16 minutes.
Ratmalana Airport – Siem Reap–Angkor International Airport
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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)- 1716.172 miles
- 2761.911 kilometers
- 1491.312 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- 1714.843 miles
- 2759.773 kilometers
- 1490.158 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 Ratmalana Airport to Siem Reap–Angkor International Airport is 3 hours and 44 minutes.
What is the time difference between Colombo and Siem Reap?
Flight carbon footprint between Ratmalana Airport (RML) and Siem Reap–Angkor International Airport (SAI)
On average, flying from Colombo to Siem Reap generates about 194 kg of CO2 per passenger, and 194 kilograms equals 427 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Colombo to Siem Reap
See the map of the shortest flight path between Ratmalana Airport (RML) and Siem Reap–Angkor International Airport (SAI).
Airport information
| Origin | Ratmalana Airport |
|---|---|
| City: | Colombo |
| Country: | Sri Lanka  |
| IATA Code: | RML |
| ICAO Code: | VCCC |
| Coordinates: | 6°49′19″N, 79°53′10″E |
| Destination | Siem Reap–Angkor International Airport |
|---|---|
| City: | Siem Reap |
| Country: | Cambodia  |
| IATA Code: | SAI |
| ICAO Code: | VDSA |
| Coordinates: | 13°22′9″N, 104°13′23″E |