How far is Roi Et from Heihe?

The distance between Heihe (Heihe Aihui Airport) and Roi Et (Roi Et Airport) is 2690 miles / 4329 kilometers / 2337 nautical miles.

The driving distance from Heihe (HEK) to Roi Et (ROI) is 3271 miles / 5264 kilometers, and travel time by car is about 61 hours 13 minutes.

Distance from Heihe to Roi Et

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

Vincenty's formula (applied above)

• 2689.823 miles
• 4328.851 kilometers
• 2337.393 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

• 2693.559 miles
• 4334.863 kilometers
• 2340.639 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 Heihe to Roi Et?

The estimated flight time from Heihe Aihui Airport to Roi Et Airport is 5 hours and 35 minutes.

What is the time difference between Heihe and Roi Et?

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

Flight carbon footprint between Heihe Aihui Airport (HEK) and Roi Et Airport (ROI)

On average, flying from Heihe to Roi Et generates about 297 kg of CO2 per passenger, and 297 kilograms equals 656 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Heihe Aihui Airport (HEK) and Roi Et Airport (ROI).

Airport information

Origin	Heihe Aihui Airport
City:	Heihe
Country:	China
IATA Code:	HEK
ICAO Code:	ZYHE
Coordinates:	50°10′17″N, 127°18′31″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