# Distance between Ulanhot (HLH) and Yan'an (ENY)

Flight distance from Ulanhot to Yan'an (Ulanhot Airport – Yan'an Nanniwan Airport) is 929 miles / 1495 kilometers / 807 nautical miles. Estimated flight time is 2 hours 15 minutes.

Driving distance from Ulanhot (HLH) to Yan'an (ENY) is 1159 miles / 1866 kilometers and travel time by car is about 20 hours 58 minutes.

## Map of flight path and driving directions from Ulanhot to Yan'an.

Shortest flight path between Ulanhot Airport (HLH) and Yan'an Nanniwan Airport (ENY).

## How far is Yan'an from Ulanhot?

There are several ways to calculate distances between Ulanhot and Yan'an. Here are two common methods:

Vincenty's formula (applied above)
• 928.642 miles
• 1494.504 kilometers
• 806.968 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 928.051 miles
• 1493.553 kilometers
• 806.454 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).

## Airport information

A Ulanhot Airport
City: Ulanhot
Country: China
IATA Code: HLH
ICAO Code: ZBUL
Coordinates: 46°4′58″N, 122°1′1″E

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

## Time difference and current local times

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

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 146 kg (321 pounds).

## Frequent Flyer Miles Calculator

Ulanhot (HLH) → Yan'an (ENY).

Distance:
929
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
929

Round trip?