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How far is Rockford, IL, from Seoul?

The distance between Seoul (Seoul Incheon International Airport) and Rockford (Chicago Rockford International Airport) is 6511 miles / 10478 kilometers / 5658 nautical miles.

Seoul Incheon International Airport – Chicago Rockford International Airport

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6511
Miles
Distance arrow
10478
Kilometers
Distance arrow
5658
Nautical miles

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Distance from Seoul to Rockford

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

Vincenty's formula (applied above)
  • 6510.964 miles
  • 10478.380 kilometers
  • 5657.873 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
  • 6495.846 miles
  • 10454.050 kilometers
  • 5644.735 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 Rockford?

The estimated flight time from Seoul Incheon International Airport to Chicago Rockford International Airport is 12 hours and 49 minutes.

Flight carbon footprint between Seoul Incheon International Airport (ICN) and Chicago Rockford International Airport (RFD)

On average, flying from Seoul to Rockford generates about 787 kg of CO2 per passenger, and 787 kilograms equals 1 734 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seoul to Rockford

See the map of the shortest flight path between Seoul Incheon International Airport (ICN) and Chicago Rockford International Airport (RFD).

Airport information

Origin Seoul Incheon International Airport
City: Seoul
Country: South Korea Flag of South Korea
IATA Code: ICN
ICAO Code: RKSI
Coordinates: 37°27′36″N, 126°26′26″E
Destination Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W