How far is Heihe from Sŏndŏng-ni?

The distance between Sŏndŏng-ni (Sondok Airport) and Heihe (Heihe Aihui Airport) is 720 miles / 1159 kilometers / 626 nautical miles.

The driving distance from Sŏndŏng-ni (DSO) to Heihe (HEK) is 943 miles / 1518 kilometers, and travel time by car is about 19 hours 1 minutes.

Distance from Sŏndŏng-ni to Heihe

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

Vincenty's formula (applied above)

• 720.027 miles
• 1158.771 kilometers
• 625.686 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

• 720.442 miles
• 1159.439 kilometers
• 626.047 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 Sŏndŏng-ni to Heihe?

The estimated flight time from Sondok Airport to Heihe Aihui Airport is 1 hour and 51 minutes.

What is the time difference between Sŏndŏng-ni and Heihe?

The time difference between Sŏndŏng-ni and Heihe is 1 hour. Heihe is 1 hour behind Sŏndŏng-ni.

Flight carbon footprint between Sondok Airport (DSO) and Heihe Aihui Airport (HEK)

On average, flying from Sŏndŏng-ni to Heihe generates about 127 kg of CO2 per passenger, and 127 kilograms equals 279 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Sŏndŏng-ni to Heihe

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

Airport information

Origin	Sondok Airport
City:	Sŏndŏng-ni
Country:	North Korea
IATA Code:	DSO
ICAO Code:	ZKSD
Coordinates:	39°44′42″N, 127°28′26″E

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