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Seoul–Rockford | ICN–RFD
Calculations with different methods
- 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 earth.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).
Estimated flight time from Incheon International Airport (ICN) to Chicago Rockford International Airport (RFD) is 12 hours 49 minutes.
Time difference and current local times
The time difference between Seoul and Rockford is 14 hours. Rockford is 14 hours behind Seoul.
Seoul to Rockford flight map.
Frequent Flyer Miles Calculator
Seoul (ICN) → Rockford (RFD).