How far is Chiang Rai from Udon Thani?
The distance between Udon Thani (Udon Thani International Airport) and Chiang Rai (Chiang Rai International Airport) is 260 miles / 418 kilometers / 226 nautical miles.
The driving distance from Udon Thani (UTH) to Chiang Rai (CEI) is 521 miles / 839 kilometers, and travel time by car is about 11 hours 16 minutes.
Udon Thani International Airport – Chiang Rai International Airport
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Distance from Udon Thani to Chiang Rai
There are several ways to calculate the distance from Udon Thani to Chiang Rai. Here are two standard methods:
Vincenty's formula (applied above)- 259.621 miles
- 417.820 kilometers
- 225.605 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- 259.968 miles
- 418.378 kilometers
- 225.906 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 Chiang Rai?
The estimated flight time from Udon Thani International Airport to Chiang Rai International Airport is 59 minutes.
What is the time difference between Udon Thani and Chiang Rai?
There is no time difference between Udon Thani and Chiang Rai.
Flight carbon footprint between Udon Thani International Airport (UTH) and Chiang Rai International Airport (CEI)
On average, flying from Udon Thani to Chiang Rai generates about 63 kg of CO2 per passenger, and 63 kilograms equals 139 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 Chiang Rai
See the map of the shortest flight path between Udon Thani International Airport (UTH) and Chiang Rai International Airport (CEI).
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 | Chiang Rai International Airport |
|---|---|
| City: | Chiang Rai |
| Country: | Thailand |
| IATA Code: | CEI |
| ICAO Code: | VTCT |
| Coordinates: | 19°57′8″N, 99°52′58″E |