How far is Ubon Ratchathani from Chiang Rai?
The distance between Chiang Rai (Chiang Rai International Airport) and Ubon Ratchathani (Ubon Ratchathani Airport) is 461 miles / 742 kilometers / 401 nautical miles.
The driving distance from Chiang Rai (CEI) to Ubon Ratchathani (UBP) is 634 miles / 1020 kilometers, and travel time by car is about 13 hours 46 minutes.
Chiang Rai International Airport – Ubon Ratchathani Airport
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Distance from Chiang Rai to Ubon Ratchathani
There are several ways to calculate the distance from Chiang Rai to Ubon Ratchathani. Here are two standard methods:
Vincenty's formula (applied above)- 461.103 miles
- 742.074 kilometers
- 400.688 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- 461.834 miles
- 743.249 kilometers
- 401.323 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 Ubon Ratchathani?
The estimated flight time from Chiang Rai International Airport to Ubon Ratchathani Airport is 1 hour and 22 minutes.
What is the time difference between Chiang Rai and Ubon Ratchathani?
There is no time difference between Chiang Rai and Ubon Ratchathani.
Flight carbon footprint between Chiang Rai International Airport (CEI) and Ubon Ratchathani Airport (UBP)
On average, flying from Chiang Rai to Ubon Ratchathani generates about 93 kg of CO2 per passenger, and 93 kilograms equals 205 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 Ubon Ratchathani
See the map of the shortest flight path between Chiang Rai International Airport (CEI) and Ubon Ratchathani Airport (UBP).
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 | Ubon Ratchathani Airport |
|---|---|
| City: | Ubon Ratchathani |
| Country: | Thailand |
| IATA Code: | UBP |
| ICAO Code: | VTUU |
| Coordinates: | 15°15′4″N, 104°52′12″E |