How far is Seoul from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Seoul (Seoul Gimpo International Airport) is 6538 miles / 10522 kilometers / 5681 nautical miles.

Distance from Chicago to Seoul

There are several ways to calculate the distance from Chicago to Seoul. Here are two standard methods:

Vincenty's formula (applied above)

• 6537.942 miles
• 10521.798 kilometers
• 5681.317 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

• 6522.795 miles
• 10497.421 kilometers
• 5668.154 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 Chicago to Seoul?

The estimated flight time from Chicago O'Hare International Airport to Seoul Gimpo International Airport is 12 hours and 52 minutes.

What is the time difference between Chicago and Seoul?

The time difference between Chicago and Seoul is 15 hours. Seoul is 15 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Seoul Gimpo International Airport (GMP)

On average, flying from Chicago to Seoul generates about 790 kg of CO2 per passenger, and 790 kilograms equals 1 742 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Seoul

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Seoul Gimpo International Airport (GMP).

Airport information

Origin	Chicago O'Hare International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	ORD
ICAO Code:	KORD
Coordinates:	41°58′42″N, 87°54′17″W

Destination	Seoul Gimpo International Airport
City:	Seoul
Country:	South Korea
IATA Code:	GMP
ICAO Code:	RKSS
Coordinates:	37°33′29″N, 126°47′27″E