How far is Sŏndŏng-ni from Heihe?

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

The driving distance from Heihe (HEK) to Sŏndŏng-ni (DSO) is 943 miles / 1518 kilometers, and travel time by car is about 18 hours 57 minutes.

Distance from Heihe to Sŏndŏng-ni

There are several ways to calculate the distance from Heihe to Sŏndŏng-ni. 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 Heihe to Sŏndŏng-ni?

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

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

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

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

On average, flying from Heihe to Sŏndŏng-ni 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 Heihe to Sŏndŏng-ni

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

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