# Distance between Dandong (DDG) and Sŏndŏng-ni (DSO)

Flight distance from Dandong to Sŏndŏng-ni (Dandong Langtou Airport – Sondok Airport) is 171 miles / 274 kilometers / 148 nautical miles. Estimated flight time is 49 minutes.

Driving distance from Dandong (DDG) to Sŏndŏng-ni (DSO) is 264 miles / 425 kilometers and travel time by car is about 5 hours 59 minutes.

## Map of flight path and driving directions from Dandong to Sŏndŏng-ni.

Shortest flight path between Dandong Langtou Airport (DDG) and Sondok Airport (DSO).

## How far is Sŏndŏng-ni from Dandong?

There are several ways to calculate distances between Dandong and Sŏndŏng-ni. Here are two common 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 earth.

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).

## Airport information

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

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

## Time difference and current local times

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

CST

KST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 50 kg (110 pounds).

## Frequent Flyer Miles Calculator

Dandong (DDG) → Sŏndŏng-ni (DSO).

Distance:
171
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
171

Round trip?