How far is Ha Long from Roi Et?

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

The driving distance from Roi Et (ROI) to Ha Long (VDO) is 628 miles / 1010 kilometers, and travel time by car is about 13 hours 32 minutes.

Distance from Roi Et to Ha Long

There are several ways to calculate the distance from Roi Et to Ha Long. 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 Roi Et to Ha Long?

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

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

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

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

On average, flying from Roi Et to Ha Long 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 Roi Et to Ha Long

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

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