Air Miles Calculator

Distance between Ubon Ratchathani (UBP) and Chiang Rai (CEI)

Flight distance from Ubon Ratchathani to Chiang Rai (Ubon Ratchathani Airport – Chiang Rai International Airport) is 461 miles / 742 kilometers / 401 nautical miles. Estimated flight time is 1 hour 22 minutes.

Driving distance from Ubon Ratchathani (UBP) to Chiang Rai (CEI) is 627 miles / 1009 kilometers and travel time by car is about 13 hours 22 minutes.

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).

Airport information


A Ubon Ratchathani Airport
City: Ubon Ratchathani
Country: Thailand Flag of Thailand
IATA Code: UBP
ICAO Code: VTUU
Coordinates: 15°15′4″N, 104°52′12″E

B Chiang Rai International Airport
City: Chiang Rai
Country: Thailand Flag of Thailand
IATA Code: CEI
ICAO Code: VTCT
Coordinates: 19°57′8″N, 99°52′58″E

Time difference and current local times

There is no time difference between Ubon Ratchathani and Chiang Rai.

Time Difference

Ubon Ratchathani

 +07

Chiang Rai

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 93 kg (205 pounds).

Frequent Flyer Miles Calculator

Ubon Ratchathani (UBP) → Chiang Rai (CEI).

Distance:
461
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
461

Round trip?