How far is Siem Reap from Chiang Rai?
The distance between Chiang Rai (Chiang Rai International Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 536 miles / 863 kilometers / 466 nautical miles.
The driving distance from Chiang Rai (CEI) to Siem Reap (SAI) is 752 miles / 1210 kilometers, and travel time by car is about 14 hours 52 minutes.
Chiang Rai International Airport – Siem Reap–Angkor International Airport
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Distance from Chiang Rai to Siem Reap
There are several ways to calculate the distance from Chiang Rai to Siem Reap. Here are two standard methods:
Vincenty's formula (applied above)- 536.259 miles
- 863.025 kilometers
- 465.996 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- 537.871 miles
- 865.619 kilometers
- 467.397 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 Rai to Siem Reap?
The estimated flight time from Chiang Rai International Airport to Siem Reap–Angkor International Airport is 1 hour and 30 minutes.
What is the time difference between Chiang Rai and Siem Reap?
There is no time difference between Chiang Rai and Siem Reap.
Flight carbon footprint between Chiang Rai International Airport (CEI) and Siem Reap–Angkor International Airport (SAI)
On average, flying from Chiang Rai to Siem Reap generates about 104 kg of CO2 per passenger, and 104 kilograms equals 229 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 Rai to Siem Reap
See the map of the shortest flight path between Chiang Rai International Airport (CEI) and Siem Reap–Angkor International Airport (SAI).
Airport information
| Origin | Chiang Rai International Airport |
|---|---|
| City: | Chiang Rai |
| Country: | Thailand  |
| IATA Code: | CEI |
| ICAO Code: | VTCT |
| Coordinates: | 19°57′8″N, 99°52′58″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 |