How far is Roi Et from Mengnai?

The distance between Mengnai (Huatugou Airport) and Roi Et (Roi Et Airport) is 1712 miles / 2756 kilometers / 1488 nautical miles.

The driving distance from Mengnai (HTT) to Roi Et (ROI) is 2546 miles / 4098 kilometers, and travel time by car is about 50 hours 20 minutes.

Distance from Mengnai to Roi Et

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

Vincenty's formula (applied above)

• 1712.371 miles
• 2755.794 kilometers
• 1488.010 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

• 1716.359 miles
• 2762.212 kilometers
• 1491.475 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 Mengnai to Roi Et?

The estimated flight time from Huatugou Airport to Roi Et Airport is 3 hours and 44 minutes.

What is the time difference between Mengnai and Roi Et?

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

Flight carbon footprint between Huatugou Airport (HTT) and Roi Et Airport (ROI)

On average, flying from Mengnai to Roi Et generates about 194 kg of CO2 per passenger, and 194 kilograms equals 427 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

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

Airport information

Origin	Huatugou Airport
City:	Mengnai
Country:	China
IATA Code:	HTT
ICAO Code:	ZLHX
Coordinates:	38°12′7″N, 90°50′29″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