How far is Muang Xay from Heihe?

The distance between Heihe (Heihe Aihui Airport) and Muang Xay (Oudomsay Airport) is 2459 miles / 3958 kilometers / 2137 nautical miles.

The driving distance from Heihe (HEK) to Muang Xay (ODY) is 3124 miles / 5028 kilometers, and travel time by car is about 56 hours 48 minutes.

Distance from Heihe to Muang Xay

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

Vincenty's formula (applied above)

• 2459.131 miles
• 3957.587 kilometers
• 2136.926 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

• 2461.026 miles
• 3960.637 kilometers
• 2138.573 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 Heihe to Muang Xay?

The estimated flight time from Heihe Aihui Airport to Oudomsay Airport is 5 hours and 9 minutes.

What is the time difference between Heihe and Muang Xay?

The time difference between Heihe and Muang Xay is 1 hour. Muang Xay is 1 hour behind Heihe.

Flight carbon footprint between Heihe Aihui Airport (HEK) and Oudomsay Airport (ODY)

On average, flying from Heihe to Muang Xay generates about 270 kg of CO2 per passenger, and 270 kilograms equals 596 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Heihe to Muang Xay

See the map of the shortest flight path between Heihe Aihui Airport (HEK) and Oudomsay Airport (ODY).

Airport information

Origin	Heihe Aihui Airport
City:	Heihe
Country:	China
IATA Code:	HEK
ICAO Code:	ZYHE
Coordinates:	50°10′17″N, 127°18′31″E

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