How far is Wuhai from Roi Et?

The distance between Roi Et (Roi Et Airport) and Wuhai (Wuhai Airport) is 1641 miles / 2640 kilometers / 1426 nautical miles.

The driving distance from Roi Et (ROI) to Wuhai (WUA) is 2121 miles / 3414 kilometers, and travel time by car is about 40 hours 49 minutes.

Distance from Roi Et to Wuhai

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

Vincenty's formula (applied above)

• 1640.674 miles
• 2640.410 kilometers
• 1425.707 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

• 1646.009 miles
• 2648.995 kilometers
• 1430.343 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 Roi Et to Wuhai?

The estimated flight time from Roi Et Airport to Wuhai Airport is 3 hours and 36 minutes.

What is the time difference between Roi Et and Wuhai?

The time difference between Roi Et and Wuhai is 1 hour. Wuhai is 1 hour ahead of Roi Et.

Flight carbon footprint between Roi Et Airport (ROI) and Wuhai Airport (WUA)

On average, flying from Roi Et to Wuhai generates about 189 kg of CO2 per passenger, and 189 kilograms equals 416 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Roi Et Airport (ROI) and Wuhai Airport (WUA).

Airport information

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

Destination	Wuhai Airport
City:	Wuhai
Country:	China
IATA Code:	WUA
ICAO Code:	ZBUH
Coordinates:	39°47′36″N, 106°47′57″E