How far is Tonghua from Sŏndŏng-ni?

The distance between Sŏndŏng-ni (Sondok Airport) and Tonghua (Tonghua Sanyuanpu Airport) is 196 miles / 316 kilometers / 171 nautical miles.

The driving distance from Sŏndŏng-ni (DSO) to Tonghua (TNH) is 308 miles / 496 kilometers, and travel time by car is about 7 hours 29 minutes.

Distance from Sŏndŏng-ni to Tonghua

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

Vincenty's formula (applied above)

• 196.298 miles
• 315.910 kilometers
• 170.578 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

• 196.380 miles
• 316.043 kilometers
• 170.650 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 Tonghua?

The estimated flight time from Sondok Airport to Tonghua Sanyuanpu Airport is 52 minutes.

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

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

Flight carbon footprint between Sondok Airport (DSO) and Tonghua Sanyuanpu Airport (TNH)

On average, flying from Sŏndŏng-ni to Tonghua generates about 54 kg of CO2 per passenger, and 54 kilograms equals 119 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 Tonghua

See the map of the shortest flight path between Sondok Airport (DSO) and Tonghua Sanyuanpu Airport (TNH).

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	Tonghua Sanyuanpu Airport
City:	Tonghua
Country:	China
IATA Code:	TNH
ICAO Code:	ZYTN
Coordinates:	42°15′14″N, 125°42′11″E