How far is Sainyabuli from Heihe?

The distance between Heihe (Heihe Aihui Airport) and Sainyabuli (Sayaboury Airport) is 2555 miles / 4112 kilometers / 2221 nautical miles.

The driving distance from Heihe (HEK) to Sainyabuli (ZBY) is 3309 miles / 5326 kilometers, and travel time by car is about 60 hours 40 minutes.

Distance from Heihe to Sainyabuli

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

Vincenty's formula (applied above)

• 2555.325 miles
• 4112.397 kilometers
• 2220.517 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

• 2557.654 miles
• 4116.146 kilometers
• 2222.541 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 Sainyabuli?

The estimated flight time from Heihe Aihui Airport to Sayaboury Airport is 5 hours and 20 minutes.

What is the time difference between Heihe and Sainyabuli?

The time difference between Heihe and Sainyabuli is 1 hour. Sainyabuli is 1 hour behind Heihe.

Flight carbon footprint between Heihe Aihui Airport (HEK) and Sayaboury Airport (ZBY)

On average, flying from Heihe to Sainyabuli generates about 282 kg of CO2 per passenger, and 282 kilograms equals 621 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 Sainyabuli

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

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	Sayaboury Airport
City:	Sainyabuli
Country:	Laos
IATA Code:	ZBY
ICAO Code:	VLSB
Coordinates:	19°14′36″N, 101°42′33″E