# Distance between Ulanhot (HLH) and Heihe (HEK)

Flight distance from Ulanhot to Heihe (Ulanhot Airport – Heihe Aihui Airport) is 374 miles / 601 kilometers / 325 nautical miles. Estimated flight time is 1 hour 12 minutes.

Driving distance from Ulanhot (HLH) to Heihe (HEK) is 475 miles / 764 kilometers and travel time by car is about 8 hours 17 minutes.

## Map of flight path and driving directions from Ulanhot to Heihe.

Shortest flight path between Ulanhot Airport (HLH) and Heihe Aihui Airport (HEK).

## How far is Heihe from Ulanhot?

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

Vincenty's formula (applied above)
• 373.597 miles
• 601.245 kilometers
• 324.647 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
• 373.126 miles
• 600.488 kilometers
• 324.238 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 Heihe Aihui Airport
City: Heihe
Country: China
IATA Code: HEK
ICAO Code: ZYHE
Coordinates: 50°10′17″N, 127°18′31″E

## Time difference and current local times

There is no time difference between Ulanhot and Heihe.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 80 kg (176 pounds).

## Frequent Flyer Miles Calculator

Ulanhot (HLH) → Heihe (HEK).

Distance:
374
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
374

Round trip?