Air Miles Calculator

Distance between Ulanhot (HLH) and Muang Xay (ODY)

Flight distance from Ulanhot to Muang Xay (Ulanhot Airport – Oudomsay Airport) is 2086 miles / 3356 kilometers / 1812 nautical miles. Estimated flight time is 4 hours 26 minutes.

Driving distance from Ulanhot (HLH) to Muang Xay (ODY) is 2670 miles / 4297 kilometers and travel time by car is about 46 hours 37 minutes.

Map of flight path and driving directions from Ulanhot to Muang Xay.

Shortest flight path between Ulanhot Airport (HLH) and Oudomsay Airport (ODY).

How far is Muang Xay from Ulanhot?

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

Vincenty's formula (applied above)
  • 2085.557 miles
  • 3356.379 kilometers
  • 1812.299 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
  • 2087.920 miles
  • 3360.182 kilometers
  • 1814.353 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 Flag of China
IATA Code: HLH
ICAO Code: ZBUL
Coordinates: 46°4′58″N, 122°1′1″E

B Oudomsay Airport
City: Muang Xay
Country: Laos Flag of Laos
IATA Code: ODY
ICAO Code: VLOS
Coordinates: 20°40′57″N, 101°59′38″E

Time difference and current local times

The time difference between Ulanhot and Muang Xay is 1 hour. Muang Xay is 1 hour behind Ulanhot.

Time Difference

Ulanhot

 CST

Muang Xay

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 227 kg (501 pounds).

Frequent Flyer Miles Calculator

Ulanhot (HLH) → Muang Xay (ODY).

Distance:
2086
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2086

Round trip?