How far is Sylhet from Heihe?

The distance between Heihe (Heihe Aihui Airport) and Sylhet (Osmani International Airport) is 2567 miles / 4131 kilometers / 2231 nautical miles.

The driving distance from Heihe (HEK) to Sylhet (ZYL) is 3859 miles / 6211 kilometers, and travel time by car is about 72 hours 14 minutes.

Distance from Heihe to Sylhet

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

Vincenty's formula (applied above)

• 2567.172 miles
• 4131.463 kilometers
• 2230.812 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

• 2566.079 miles
• 4129.704 kilometers
• 2229.862 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 Sylhet?

The estimated flight time from Heihe Aihui Airport to Osmani International Airport is 5 hours and 21 minutes.

What is the time difference between Heihe and Sylhet?

The time difference between Heihe and Sylhet is 2 hours. Sylhet is 2 hours behind Heihe.

Flight carbon footprint between Heihe Aihui Airport (HEK) and Osmani International Airport (ZYL)

On average, flying from Heihe to Sylhet generates about 283 kg of CO2 per passenger, and 283 kilograms equals 624 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 Sylhet

See the map of the shortest flight path between Heihe Aihui Airport (HEK) and Osmani International Airport (ZYL).

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	Osmani International Airport
City:	Sylhet
Country:	Bangladesh
IATA Code:	ZYL
ICAO Code:	VGSY
Coordinates:	24°57′47″N, 91°52′0″E