How far is Roi Et from Vientiane?

The distance between Vientiane (Wattay International Airport) and Roi Et (Roi Et Airport) is 152 miles / 244 kilometers / 132 nautical miles.

The driving distance from Vientiane (VTE) to Roi Et (ROI) is 216 miles / 347 kilometers, and travel time by car is about 4 hours 42 minutes.

Distance from Vientiane to Roi Et

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

Vincenty's formula (applied above)

• 151.589 miles
• 243.959 kilometers
• 131.727 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

• 152.049 miles
• 244.699 kilometers
• 132.127 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 Roi Et?

The estimated flight time from Wattay International Airport to Roi Et Airport is 47 minutes.

What is the time difference between Vientiane and Roi Et?

There is no time difference between Vientiane and Roi Et.

Flight carbon footprint between Wattay International Airport (VTE) and Roi Et Airport (ROI)

On average, flying from Vientiane to Roi Et generates about 47 kg of CO2 per passenger, and 47 kilograms equals 104 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 Roi Et

See the map of the shortest flight path between Wattay International Airport (VTE) and Roi Et Airport (ROI).

Airport information

Origin	Wattay International Airport
City:	Vientiane
Country:	Laos
IATA Code:	VTE
ICAO Code:	VLVT
Coordinates:	17°59′17″N, 102°33′46″E

Destination	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E