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Duluth–Rockford | DLH–RFD
Calculations with different methods
- 355.371 miles
- 571.914 kilometers
- 308.809 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
- 355.379 miles
- 571.927 kilometers
- 308.816 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Duluth International Airport (DLH) to Chicago Rockford International Airport (RFD) is 1 hour 10 minutes.
Time difference and current local times
There is no time difference between Duluth and Rockford.
Duluth to Rockford flight map.
Frequent Flyer Miles Calculator
Duluth (DLH) → Rockford (RFD).