How far is Haiphong from Muang Xay?

The distance between Muang Xay (Oudomsay Airport) and Haiphong (Cat Bi International Airport) is 306 miles / 493 kilometers / 266 nautical miles.

The driving distance from Muang Xay (ODY) to Haiphong (HPH) is 474 miles / 763 kilometers, and travel time by car is about 9 hours 51 minutes.

Distance from Muang Xay to Haiphong

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

Vincenty's formula (applied above)

• 306.280 miles
• 492.909 kilometers
• 266.150 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

• 305.810 miles
• 492.154 kilometers
• 265.742 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 Haiphong?

The estimated flight time from Oudomsay Airport to Cat Bi International Airport is 1 hour and 4 minutes.

What is the time difference between Muang Xay and Haiphong?

There is no time difference between Muang Xay and Haiphong.

Flight carbon footprint between Oudomsay Airport (ODY) and Cat Bi International Airport (HPH)

On average, flying from Muang Xay to Haiphong generates about 70 kg of CO2 per passenger, and 70 kilograms equals 155 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 Haiphong

See the map of the shortest flight path between Oudomsay Airport (ODY) and Cat Bi International Airport (HPH).

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	Cat Bi International Airport
City:	Haiphong
Country:	Vietnam
IATA Code:	HPH
ICAO Code:	VVCI
Coordinates:	20°49′9″N, 106°43′29″E