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How far is Siem Reap from Vientiane?

The distance between Vientiane (Wattay International Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 336 miles / 541 kilometers / 292 nautical miles.

The driving distance from Vientiane (VTE) to Siem Reap (SAI) is 529 miles / 852 kilometers, and travel time by car is about 10 hours 42 minutes.

Wattay International Airport – Siem Reap–Angkor International Airport

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336
Miles
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541
Kilometers
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292
Nautical miles

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Distance from Vientiane to Siem Reap

There are several ways to calculate the distance from Vientiane to Siem Reap. Here are two standard methods:

Vincenty's formula (applied above)
  • 336.292 miles
  • 541.210 kilometers
  • 292.230 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 337.705 miles
  • 543.483 kilometers
  • 293.458 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 Vientiane to Siem Reap?

The estimated flight time from Wattay International Airport to Siem Reap–Angkor International Airport is 1 hour and 8 minutes.

What is the time difference between Vientiane and Siem Reap?

There is no time difference between Vientiane and Siem Reap.

Flight carbon footprint between Wattay International Airport (VTE) and Siem Reap–Angkor International Airport (SAI)

On average, flying from Vientiane to Siem Reap generates about 75 kg of CO2 per passenger, and 75 kilograms equals 164 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Vientiane to Siem Reap

See the map of the shortest flight path between Wattay International Airport (VTE) and Siem Reap–Angkor International Airport (SAI).

Airport information

Origin Wattay International Airport
City: Vientiane
Country: Laos Flag of Laos
IATA Code: VTE
ICAO Code: VLVT
Coordinates: 17°59′17″N, 102°33′46″E
Destination Siem Reap–Angkor International Airport
City: Siem Reap
Country: Cambodia Flag of Cambodia
IATA Code: SAI
ICAO Code: VDSA
Coordinates: 13°22′9″N, 104°13′23″E