How far is Zaysan from Roi Et?

The distance between Roi Et (Roi Et Airport) and Zaysan (Zaysan Airport) is 2416 miles / 3888 kilometers / 2099 nautical miles.

The driving distance from Roi Et (ROI) to Zaysan (SZI) is 3431 miles / 5521 kilometers, and travel time by car is about 64 hours 34 minutes.

Distance from Roi Et to Zaysan

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

Vincenty's formula (applied above)

• 2415.996 miles
• 3888.169 kilometers
• 2099.443 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

• 2420.241 miles
• 3895.000 kilometers
• 2103.132 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 Zaysan?

The estimated flight time from Roi Et Airport to Zaysan Airport is 5 hours and 4 minutes.

What is the time difference between Roi Et and Zaysan?

The time difference between Roi Et and Zaysan is 2 hours. Zaysan is 2 hours behind Roi Et.

Flight carbon footprint between Roi Et Airport (ROI) and Zaysan Airport (SZI)

On average, flying from Roi Et to Zaysan generates about 265 kg of CO2 per passenger, and 265 kilograms equals 585 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 Zaysan

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

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	Zaysan Airport
City:	Zaysan
Country:	Kazakhstan
IATA Code:	SZI
ICAO Code:	UASZ
Coordinates:	47°29′14″N, 84°53′15″E