How far is Muang Xay from Ha Long?

The distance between Ha Long (Van Don International Airport) and Muang Xay (Oudomsay Airport) is 352 miles / 566 kilometers / 306 nautical miles.

The driving distance from Ha Long (VDO) to Muang Xay (ODY) is 529 miles / 852 kilometers, and travel time by car is about 11 hours 12 minutes.

Distance from Ha Long to Muang Xay

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

Vincenty's formula (applied above)

• 351.656 miles
• 565.935 kilometers
• 305.581 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

• 351.128 miles
• 565.086 kilometers
• 305.122 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 Muang Xay?

The estimated flight time from Van Don International Airport to Oudomsay Airport is 1 hour and 9 minutes.

What is the time difference between Ha Long and Muang Xay?

There is no time difference between Ha Long and Muang Xay.

Flight carbon footprint between Van Don International Airport (VDO) and Oudomsay Airport (ODY)

On average, flying from Ha Long to Muang Xay generates about 77 kg of CO2 per passenger, and 77 kilograms equals 169 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 Muang Xay

See the map of the shortest flight path between Van Don International Airport (VDO) and Oudomsay Airport (ODY).

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	Oudomsay Airport
City:	Muang Xay
Country:	Laos
IATA Code:	ODY
ICAO Code:	VLOS
Coordinates:	20°40′57″N, 101°59′38″E