# Distance between Ulanhot (HLH) and Mengnai (HTT)

Flight distance from Ulanhot to Mengnai (Ulanhot Airport – Huatugou Airport) is 1679 miles / 2701 kilometers / 1459 nautical miles. Estimated flight time is 3 hours 40 minutes.

Driving distance from Ulanhot (HLH) to Mengnai (HTT) is 2234 miles / 3596 kilometers and travel time by car is about 39 hours 41 minutes.

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

Shortest flight path between Ulanhot Airport (HLH) and Huatugou Airport (HTT).

## How far is Mengnai from Ulanhot?

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

Vincenty's formula (applied above)
• 1678.515 miles
• 2701.309 kilometers
• 1458.590 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
• 1674.770 miles
• 2695.281 kilometers
• 1455.335 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 Huatugou Airport
City: Mengnai
Country: China
IATA Code: HTT
ICAO Code: ZLHX
Coordinates: 38°12′7″N, 90°50′29″E

## Time difference and current local times

There is no time difference between Ulanhot and Mengnai.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 191 kg (421 pounds).

## Frequent Flyer Miles Calculator

Ulanhot (HLH) → Mengnai (HTT).

Distance:
1679
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1679

Round trip?