How far is Dandong from Sŏndŏng-ni?

The distance between Sŏndŏng-ni (Sondok Airport) and Dandong (Dandong Langtou Airport) is 171 miles / 274 kilometers / 148 nautical miles.

The driving distance from Sŏndŏng-ni (DSO) to Dandong (DDG) is 272 miles / 437 kilometers, and travel time by car is about 6 hours 32 minutes.

Distance from Sŏndŏng-ni to Dandong

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

Vincenty's formula (applied above)

• 170.527 miles
• 274.437 kilometers
• 148.184 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

• 170.110 miles
• 273.766 kilometers
• 147.822 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 Dandong?

The estimated flight time from Sondok Airport to Dandong Langtou Airport is 49 minutes.

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

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

Flight carbon footprint between Sondok Airport (DSO) and Dandong Langtou Airport (DDG)

On average, flying from Sŏndŏng-ni to Dandong generates about 50 kg of CO2 per passenger, and 50 kilograms equals 110 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 Dandong

See the map of the shortest flight path between Sondok Airport (DSO) and Dandong Langtou Airport (DDG).

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	Dandong Langtou Airport
City:	Dandong
Country:	China
IATA Code:	DDG
ICAO Code:	ZYDD
Coordinates:	40°1′28″N, 124°17′9″E