# Distance between Siem Reap (REP) and Ubon Ratchathani (UBP)

Flight distance from Siem Reap to Ubon Ratchathani (Siem Reap International Airport – Ubon Ratchathani Airport) is 145 miles / 233 kilometers / 126 nautical miles. Estimated flight time is 46 minutes.

Driving distance from Siem Reap (REP) to Ubon Ratchathani (UBP) is 226 miles / 363 kilometers and travel time by car is about 5 hours 26 minutes.

145
Miles
233
Kilometers
126
Nautical miles

## How far is Ubon Ratchathani from Siem Reap?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
• 145.025 miles
• 233.395 kilometers
• 126.023 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
• 145.531 miles
• 234.210 kilometers
• 126.463 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).

## How long does it take to fly from Siem Reap to Ubon Ratchathani?

Estimated flight time from Siem Reap International Airport to Ubon Ratchathani Airport is 46 minutes.

## What is the time difference between Siem Reap and Ubon Ratchathani?

There is no time difference between Siem Reap and Ubon Ratchathani.

## Flight carbon footprint between Siem Reap International Airport (REP) and Ubon Ratchathani Airport (UBP)

On average flying from Siem Reap to Ubon Ratchathani generates about 46 kg of CO2 per passenger, 46 kilograms is equal to 102 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Siem Reap to Ubon Ratchathani

Shortest flight path between Siem Reap International Airport (REP) and Ubon Ratchathani Airport (UBP).

## Airport information

Origin Siem Reap International Airport
City: Siem Reap
Country: Cambodia
IATA Code: REP
ICAO Code: VDSR
Coordinates: 13°24′38″N, 103°48′46″E
Destination Ubon Ratchathani Airport
City: Ubon Ratchathani
Country: Thailand
IATA Code: UBP
ICAO Code: VTUU
Coordinates: 15°15′4″N, 104°52′12″E