How far is Seoul from the sea?

Seoul is close to the sea: the nearest coastline is 28 km (17 miles) away in a straight line. The nearest stretch of coast is in Incheon, South Korea.

To the coast

28 km

17 miles · straight line

Nearest land border

38 km

with North Korea

Setting

Near the coast

104th farthest from the sea of 182 cities

SeoulNearest point on the coast

How far are you from the sea?

Measure from where you are standing. On a phone this uses GPS, so the answer is for your exact spot, not the city centre.

Seoul at a glance

Coordinates
37.5660° N, 126.9784° E
Region
Seoul, South Korea
Distance to the coast
28 km (17 miles), in a straight line
Nearest point on the coast
37.4008° N, 126.7435° E (Incheon, South Korea)
Nearest land border
38 km (24 miles), with North Korea
Among South Korea's cities
The farthest from the sea of the 2 cities measured

Nearby cities and the coast

CityCountryTo the coast
BusanSouth Korea0.6 km (0.4 miles)
OsakaJapan7.4 km (4.6 miles)
ShanghaiChina19 km (12 miles)
BeijingChina144 km (90 miles)
TokyoJapan7.5 km (4.7 miles)
YokohamaJapan1.1 km (0.7 miles)

Questions

How far is Seoul from the sea?

Seoul is close to the sea: the nearest coastline is 28 km (17 miles) away in a straight line. The nearest stretch of coast is in Incheon, South Korea.

Is that the driving distance?

No. 28 km (17 miles) is the straight-line distance from the city centre to the nearest point on the shore. The drive to a beach is longer, often much longer, and depends on the roads.

How far is Seoul from the nearest border?

Seoul is 38 km (24 miles) from the nearest land border, with North Korea, in a straight line.

Where in Seoul is this measured from?

From the city's centre point (37.5660° N, 126.9784° E). A large city spreads out, so some neighbourhoods are closer to the sea than this and some farther. For an exact figure from where you are, use your own location.

Measured by MapGO on October 8, 2026 with the same coastline data as the distance to coastline calculator. All distances are straight lines over the Earth's surface.