How far is Siem Reap from Udon Thani?
The distance between Udon Thani (Udon Thani International Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 292 miles / 470 kilometers / 254 nautical miles.
The driving distance from Udon Thani (UTH) to Siem Reap (SAI) is 470 miles / 756 kilometers, and travel time by car is about 9 hours 25 minutes.
Udon Thani International Airport – Siem Reap–Angkor International Airport
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Distance from Udon Thani to Siem Reap
There are several ways to calculate the distance from Udon Thani to Siem Reap. Here are two standard methods:
Vincenty's formula (applied above)- 292.323 miles
- 470.447 kilometers
- 254.021 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- 293.560 miles
- 472.438 kilometers
- 255.096 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 Udon Thani to Siem Reap?
The estimated flight time from Udon Thani International Airport to Siem Reap–Angkor International Airport is 1 hour and 3 minutes.
What is the time difference between Udon Thani and Siem Reap?
There is no time difference between Udon Thani and Siem Reap.
Flight carbon footprint between Udon Thani International Airport (UTH) and Siem Reap–Angkor International Airport (SAI)
On average, flying from Udon Thani to Siem Reap generates about 68 kg of CO2 per passenger, and 68 kilograms equals 150 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Udon Thani to Siem Reap
See the map of the shortest flight path between Udon Thani International Airport (UTH) and Siem Reap–Angkor International Airport (SAI).
Airport information
| Origin | Udon Thani International Airport |
|---|---|
| City: | Udon Thani |
| Country: | Thailand  |
| IATA Code: | UTH |
| ICAO Code: | VTUD |
| Coordinates: | 17°23′11″N, 102°47′16″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 |