# Distance between Ubon Ratchathani (UBP) and Chiang Mai (CNX)

Flight distance from Ubon Ratchathani to Chiang Mai (Ubon Ratchathani Airport – Chiang Mai International Airport) is 459 miles / 739 kilometers / 399 nautical miles. Estimated flight time is 1 hour 22 minutes.

Driving distance from Ubon Ratchathani (UBP) to Chiang Mai (CNX) is 579 miles / 932 kilometers and travel time by car is about 12 hours 34 minutes.

## Map of flight path and driving directions from Ubon Ratchathani to Chiang Mai.

Shortest flight path between Ubon Ratchathani Airport (UBP) and Chiang Mai International Airport (CNX).

## How far is Chiang Mai from Ubon Ratchathani?

There are several ways to calculate distances between Ubon Ratchathani and Chiang Mai. Here are two common methods:

Vincenty's formula (applied above)
• 459.500 miles
• 739.493 kilometers
• 399.294 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
• 459.639 miles
• 739.717 kilometers
• 399.415 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
IATA Code: UBP
ICAO Code: VTUU
Coordinates: 15°15′4″N, 104°52′12″E

B Chiang Mai International Airport
City: Chiang Mai
Country: Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E

## Time difference and current local times

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

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## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 93 kg (204 pounds).

## Frequent Flyer Miles Calculator

Ubon Ratchathani (UBP) → Chiang Mai (CNX).

Distance:
459
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
459

Round trip?