How far is Ulsan from Heihe?

The distance between Heihe (Heihe Aihui Airport) and Ulsan (Ulsan Airport) is 1012 miles / 1628 kilometers / 879 nautical miles.

The driving distance from Heihe (HEK) to Ulsan (USN) is 1330 miles / 2141 kilometers, and travel time by car is about 25 hours 18 minutes.

Distance from Heihe to Ulsan

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

Vincenty's formula (applied above)

• 1011.536 miles
• 1627.909 kilometers
• 879.001 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

• 1012.447 miles
• 1629.375 kilometers
• 879.792 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 Ulsan?

The estimated flight time from Heihe Aihui Airport to Ulsan Airport is 2 hours and 24 minutes.

What is the time difference between Heihe and Ulsan?

The time difference between Heihe and Ulsan is 1 hour. Ulsan is 1 hour ahead of Heihe.

Flight carbon footprint between Heihe Aihui Airport (HEK) and Ulsan Airport (USN)

On average, flying from Heihe to Ulsan generates about 152 kg of CO2 per passenger, and 152 kilograms equals 334 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 Ulsan

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

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	Ulsan Airport
City:	Ulsan
Country:	South Korea
IATA Code:	USN
ICAO Code:	RKPU
Coordinates:	35°35′36″N, 129°21′7″E