# Distance between Ulanhot (HLH) and Tachileik (THL)

Flight distance from Ulanhot to Tachileik (Ulanhot Airport – Tachilek Airport) is 2163 miles / 3480 kilometers / 1879 nautical miles. Estimated flight time is 4 hours 35 minutes.

Driving distance from Ulanhot (HLH) to Tachileik (THL) is 2679 miles / 4311 kilometers and travel time by car is about 47 hours 29 minutes.

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

Shortest flight path between Ulanhot Airport (HLH) and Tachilek Airport (THL).

## How far is Tachileik from Ulanhot?

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

Vincenty's formula (applied above)
• 2162.674 miles
• 3480.487 kilometers
• 1879.312 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
• 2164.760 miles
• 3483.844 kilometers
• 1881.125 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 Tachilek Airport
City: Tachileik
Country: Burma
IATA Code: THL
ICAO Code: VYTL
Coordinates: 20°29′1″N, 99°56′7″E

## Time difference and current local times

The time difference between Ulanhot and Tachileik is 1 hour 30 minutes. Tachileik is 1 hour 30 minutes behind Ulanhot.

CST

+0630

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 236 kg (520 pounds).

## Frequent Flyer Miles Calculator

Ulanhot (HLH) → Tachileik (THL).

Distance:
2163
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2163

Round trip?