How far is Yan'an from Heihe?

The distance between Heihe (Heihe Aihui Airport) and Yan'an (Yan'an Nanniwan Airport) is 1298 miles / 2089 kilometers / 1128 nautical miles.

The driving distance from Heihe (HEK) to Yan'an (ENY) is 1645 miles / 2647 kilometers, and travel time by car is about 30 hours 14 minutes.

Distance from Heihe to Yan'an

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

Vincenty's formula (applied above)

• 1298.208 miles
• 2089.264 kilometers
• 1128.112 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

• 1297.170 miles
• 2087.593 kilometers
• 1127.210 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 Heihe to Yan'an?

The estimated flight time from Heihe Aihui Airport to Yan'an Nanniwan Airport is 2 hours and 57 minutes.

What is the time difference between Heihe and Yan'an?

There is no time difference between Heihe and Yan'an.

Flight carbon footprint between Heihe Aihui Airport (HEK) and Yan'an Nanniwan Airport (ENY)

On average, flying from Heihe to Yan'an generates about 167 kg of CO2 per passenger, and 167 kilograms equals 368 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Heihe Aihui Airport (HEK) and Yan'an Nanniwan Airport (ENY).

Airport information

Origin	Heihe Aihui Airport
City:	Heihe
Country:	China
IATA Code:	HEK
ICAO Code:	ZYHE
Coordinates:	50°10′17″N, 127°18′31″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