How far is Ha Long from Muang Xay?

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

The driving distance from Muang Xay (ODY) to Ha Long (VDO) is 527 miles / 848 kilometers, and travel time by car is about 11 hours 7 minutes.

Distance from Muang Xay to Ha Long

There are several ways to calculate the distance from Muang Xay to Ha Long. 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 Muang Xay to Ha Long?

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

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

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

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

On average, flying from Muang Xay to Ha Long 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 Muang Xay to Ha Long

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

Airport information

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