How far is Roi Et from Ha Long?

The distance between Ha Long (Van Don International Airport) and Roi Et (Roi Et Airport) is 419 miles / 674 kilometers / 364 nautical miles.

The driving distance from Ha Long (VDO) to Roi Et (ROI) is 629 miles / 1013 kilometers, and travel time by car is about 13 hours 31 minutes.

Distance from Ha Long to Roi Et

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

Vincenty's formula (applied above)

• 418.610 miles
• 673.688 kilometers
• 363.762 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

• 419.708 miles
• 675.455 kilometers
• 364.716 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 Ha Long to Roi Et?

The estimated flight time from Van Don International Airport to Roi Et Airport is 1 hour and 17 minutes.

What is the time difference between Ha Long and Roi Et?

There is no time difference between Ha Long and Roi Et.

Flight carbon footprint between Van Don International Airport (VDO) and Roi Et Airport (ROI)

On average, flying from Ha Long to Roi Et generates about 87 kg of CO2 per passenger, and 87 kilograms equals 191 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ha Long to Roi Et

See the map of the shortest flight path between Van Don International Airport (VDO) and Roi Et Airport (ROI).

Airport information

Origin	Van Don International Airport
City:	Ha Long
Country:	Vietnam
IATA Code:	VDO
ICAO Code:	VVVD
Coordinates:	21°7′4″N, 107°24′51″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