How far is Roi Et from Ulanhot?

The distance between Ulanhot (Ulanhot Yilelite Airport) and Roi Et (Roi Et Airport) is 2318 miles / 3730 kilometers / 2014 nautical miles.

The driving distance from Ulanhot (HLH) to Roi Et (ROI) is 2894 miles / 4657 kilometers, and travel time by car is about 54 hours 15 minutes.

Distance from Ulanhot to Roi Et

There are several ways to calculate the distance from Ulanhot to Roi Et. Here are two standard methods:

Vincenty's formula (applied above)

• 2317.989 miles
• 3730.442 kilometers
• 2014.278 nautical miles

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

Haversine formula

• 2322.210 miles
• 3737.234 kilometers
• 2017.945 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).

How long does it take to fly from Ulanhot to Roi Et?

The estimated flight time from Ulanhot Yilelite Airport to Roi Et Airport is 4 hours and 53 minutes.

What is the time difference between Ulanhot and Roi Et?

The time difference between Ulanhot and Roi Et is 1 hour. Roi Et is 1 hour behind Ulanhot.

Flight carbon footprint between Ulanhot Yilelite Airport (HLH) and Roi Et Airport (ROI)

On average, flying from Ulanhot to Roi Et generates about 254 kg of CO2 per passenger, and 254 kilograms equals 560 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ulanhot to Roi Et

See the map of the shortest flight path between Ulanhot Yilelite Airport (HLH) and Roi Et Airport (ROI).

Airport information

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

Destination	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E