How far is Decatur, IL, from Seoul?

The distance between Seoul (Seoul Incheon International Airport) and Decatur (Decatur Airport) is 6661 miles / 10720 kilometers / 5788 nautical miles.

Distance from Seoul to Decatur

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

Vincenty's formula (applied above)

• 6661.079 miles
• 10719.967 kilometers
• 5788.319 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

• 6646.090 miles
• 10695.846 kilometers
• 5775.295 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 Seoul to Decatur?

The estimated flight time from Seoul Incheon International Airport to Decatur Airport is 13 hours and 6 minutes.

What is the time difference between Seoul and Decatur?

The time difference between Seoul and Decatur is 15 hours. Decatur is 15 hours behind Seoul.

Flight carbon footprint between Seoul Incheon International Airport (ICN) and Decatur Airport (DEC)

On average, flying from Seoul to Decatur generates about 807 kg of CO2 per passenger, and 807 kilograms equals 1 780 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seoul to Decatur

See the map of the shortest flight path between Seoul Incheon International Airport (ICN) and Decatur Airport (DEC).

Airport information

Origin	Seoul Incheon International Airport
City:	Seoul
Country:	South Korea
IATA Code:	ICN
ICAO Code:	RKSI
Coordinates:	37°27′36″N, 126°26′26″E

Destination	Decatur Airport
City:	Decatur, IL
Country:	United States
IATA Code:	DEC
ICAO Code:	KDEC
Coordinates:	39°50′4″N, 88°51′56″W