How far is Yan'an from Roi Et?

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

The driving distance from Roi Et (ROI) to Yan'an (ENY) is 1883 miles / 3030 kilometers, and travel time by car is about 36 hours 18 minutes.

Distance from Roi Et to Yan'an

There are several ways to calculate the distance from Roi Et to Yan'an. 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 Roi Et to Yan'an?

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

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

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

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

On average, flying from Roi Et to Yan'an 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 Roi Et to Yan'an

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

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