How far is Vientiane from Roi Et?

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

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

Distance from Roi Et to Vientiane

There are several ways to calculate the distance from Roi Et to Vientiane. 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 Roi Et to Vientiane?

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

What is the time difference between Roi Et and Vientiane?

There is no time difference between Roi Et and Vientiane.

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

On average, flying from Roi Et to Vientiane 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 Roi Et to Vientiane

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

Airport information

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

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