How far is Siem Reap from Chiang Mai?
The distance between Chiang Mai (Chiang Mai International Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 510 miles / 821 kilometers / 443 nautical miles.
The driving distance from Chiang Mai (CNX) to Siem Reap (SAI) is 665 miles / 1071 kilometers, and travel time by car is about 13 hours 25 minutes.
Chiang Mai International Airport – Siem Reap–Angkor International Airport
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Distance from Chiang Mai to Siem Reap
There are several ways to calculate the distance from Chiang Mai to Siem Reap. Here are two standard methods:
Vincenty's formula (applied above)- 509.855 miles
- 820.531 kilometers
- 443.051 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- 510.833 miles
- 822.107 kilometers
- 443.902 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 Chiang Mai to Siem Reap?
The estimated flight time from Chiang Mai International Airport to Siem Reap–Angkor International Airport is 1 hour and 27 minutes.
What is the time difference between Chiang Mai and Siem Reap?
There is no time difference between Chiang Mai and Siem Reap.
Flight carbon footprint between Chiang Mai International Airport (CNX) and Siem Reap–Angkor International Airport (SAI)
On average, flying from Chiang Mai to Siem Reap generates about 100 kg of CO2 per passenger, and 100 kilograms equals 221 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Chiang Mai to Siem Reap
See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Siem Reap–Angkor International Airport (SAI).
Airport information
| Origin | Chiang Mai International Airport |
|---|---|
| City: | Chiang Mai |
| Country: | Thailand  |
| IATA Code: | CNX |
| ICAO Code: | VTCC |
| Coordinates: | 18°46′0″N, 98°57′45″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 |