Air Miles Calculator logo

How far is Sainyabuli from Roi Et?

The distance between Roi Et (Roi Et Airport) and Sainyabuli (Sayaboury Airport) is 254 miles / 410 kilometers / 221 nautical miles.

The driving distance from Roi Et (ROI) to Sainyabuli (ZBY) is 396 miles / 637 kilometers, and travel time by car is about 8 hours 49 minutes.

Roi Et Airport – Sayaboury Airport

Distance arrow
254
Miles
Distance arrow
410
Kilometers
Distance arrow
221
Nautical miles

Search flights

Distance from Roi Et to Sainyabuli

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

Vincenty's formula (applied above)
  • 254.481 miles
  • 409.547 kilometers
  • 221.138 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
  • 255.229 miles
  • 410.751 kilometers
  • 221.788 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 Sainyabuli?

The estimated flight time from Roi Et Airport to Sayaboury Airport is 58 minutes.

What is the time difference between Roi Et and Sainyabuli?

There is no time difference between Roi Et and Sainyabuli.

Flight carbon footprint between Roi Et Airport (ROI) and Sayaboury Airport (ZBY)

On average, flying from Roi Et to Sainyabuli generates about 62 kg of CO2 per passenger, and 62 kilograms equals 138 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 Sainyabuli

See the map of the shortest flight path between Roi Et Airport (ROI) and Sayaboury Airport (ZBY).

Airport information

Origin Roi Et Airport
City: Roi Et
Country: Thailand Flag of Thailand
IATA Code: ROI
ICAO Code: VTUV
Coordinates: 16°7′0″N, 103°46′26″E
Destination Sayaboury Airport
City: Sainyabuli
Country: Laos Flag of Laos
IATA Code: ZBY
ICAO Code: VLSB
Coordinates: 19°14′36″N, 101°42′33″E