# Distance between Hat Yai (HDY) and Ubon Ratchathani (UBP)

Flight distance from Hat Yai to Ubon Ratchathani (Hat Yai International Airport – Ubon Ratchathani Airport) is 647 miles / 1042 kilometers / 563 nautical miles. Estimated flight time is 1 hour 43 minutes.

Driving distance from Hat Yai (HDY) to Ubon Ratchathani (UBP) is 967 miles / 1556 kilometers and travel time by car is about 17 hours 48 minutes.

## Map of flight path and driving directions from Hat Yai to Ubon Ratchathani.

Shortest flight path between Hat Yai International Airport (HDY) and Ubon Ratchathani Airport (UBP).

## How far is Ubon Ratchathani from Hat Yai?

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

Vincenty's formula (applied above)
• 647.361 miles
• 1041.827 kilometers
• 562.541 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
• 649.824 miles
• 1045.790 kilometers
• 564.682 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 Hat Yai International Airport
City: Hat Yai
Country: Thailand
IATA Code: HDY
ICAO Code: VTSS
Coordinates: 6°55′59″N, 100°23′34″E

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

## Time difference and current local times

There is no time difference between Hat Yai and Ubon Ratchathani.

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## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 119 kg (261 pounds).

## Frequent Flyer Miles Calculator

Hat Yai (HDY) → Ubon Ratchathani (UBP).

Distance:
647
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
647

Round trip?