How far is Roi Et from Yan'an?

The distance between Yan'an (Yan'an Nanniwan Airport) and Roi Et (Roi Et Airport) is 1445 miles / 2325 kilometers / 1255 nautical miles.

The driving distance from Yan'an (ENY) to Roi Et (ROI) is 1897 miles / 3053 kilometers, and travel time by car is about 36 hours 27 minutes.

Distance from Yan'an to Roi Et

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

Vincenty's formula (applied above)

• 1444.719 miles
• 2325.050 kilometers
• 1255.427 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

• 1449.422 miles
• 2332.619 kilometers
• 1259.514 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 Yan'an to Roi Et?

The estimated flight time from Yan'an Nanniwan Airport to Roi Et Airport is 3 hours and 14 minutes.

What is the time difference between Yan'an and Roi Et?

The time difference between Yan'an and Roi Et is 1 hour. Roi Et is 1 hour behind Yan'an.

Flight carbon footprint between Yan'an Nanniwan Airport (ENY) and Roi Et Airport (ROI)

On average, flying from Yan'an to Roi Et generates about 176 kg of CO2 per passenger, and 176 kilograms equals 388 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Yan'an to Roi Et

See the map of the shortest flight path between Yan'an Nanniwan Airport (ENY) and Roi Et Airport (ROI).

Airport information

Origin	Yan'an Nanniwan Airport
City:	Yan'an
Country:	China
IATA Code:	ENY
ICAO Code:	ZLYA
Coordinates:	36°28′35″N, 109°27′55″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