Map of flight path and driving directions from Ubon Ratchathani to Chiang Rai.
Shortest flight path between Ubon Ratchathani Airport (UBP) and Chiang Rai International Airport (CEI).
How far is Chiang Rai from Ubon Ratchathani?
There are several ways to calculate distances between Ubon Ratchathani and Chiang Rai. Here are two common 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 earth.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).
Time difference and current local times
There is no time difference between Ubon Ratchathani and Chiang Rai.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 93 kg (205 pounds).
Frequent Flyer Miles Calculator
Ubon Ratchathani (UBP) → Chiang Rai (CEI).