# Distance between Seoul (ICN) and Washington D.C. (IAD)

Flight distance from Seoul to Washington D.C. (Seoul Incheon International Airport – Washington Dulles International Airport) is 6959 miles / 11199 kilometers / 6047 nautical miles. Estimated flight time is 13 hours 40 minutes.

## Map of flight path from Seoul to Washington D.C..

Shortest flight path between Seoul Incheon International Airport (ICN) and Washington Dulles International Airport (IAD).

## How far is Washington D.C. from Seoul?

There are several ways to calculate distances between Seoul and Washington D.C.. Here are two common methods:

Vincenty's formula (applied above)
• 6958.698 miles
• 11198.940 kilometers
• 6046.944 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
• 6943.509 miles
• 11174.495 kilometers
• 6033.745 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 Seoul Incheon International Airport
City: Seoul
Country: South Korea
IATA Code: ICN
ICAO Code: RKSI
Coordinates: 37°27′36″N, 126°26′26″E

B Washington Dulles International Airport
City: Washington D.C.
Country: United States
Coordinates: 38°56′40″N, 77°27′20″W

## Time difference and current local times

The time difference between Seoul and Washington D.C. is 13 hours. Washington D.C. is 13 hours behind Seoul.

KST

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 849 kg (1 872 pounds).

## Frequent Flyer Miles Calculator

Seoul (ICN) → Washington D.C. (IAD).

Distance:
6959
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
6959

Round trip?