# Distance between Ubon Ratchathani (UBP) and Ko Samui (USM)

Flight distance from Ubon Ratchathani to Ko Samui (Ubon Ratchathani Airport – Samui Airport) is 509 miles / 819 kilometers / 442 nautical miles. Estimated flight time is 1 hour 27 minutes.

## Map of flight path from Ubon Ratchathani to Ko Samui.

Shortest flight path between Ubon Ratchathani Airport (UBP) and Samui Airport (USM).

## How far is Ko Samui from Ubon Ratchathani?

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

Vincenty's formula (applied above)
• 509.064 miles
• 819.259 kilometers
• 442.365 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
• 510.355 miles
• 821.337 kilometers
• 443.486 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 Samui Airport
City: Ko Samui
Country: Thailand
IATA Code: USM
ICAO Code: VTSM
Coordinates: 9°32′52″N, 100°3′43″E

## Time difference and current local times

There is no time difference between Ubon Ratchathani and Ko Samui.

+07

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## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 100 kg (220 pounds).

## Frequent Flyer Miles Calculator

Ubon Ratchathani (UBP) → Ko Samui (USM).

Distance:
509
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
509

Round trip?