Calculations with different methods
- 778.671 miles
- 1253.149 kilometers
- 676.646 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
- 777.433 miles
- 1251.157 kilometers
- 675.571 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Norfolk International Airport (ORF) to Chicago Rockford International Airport (RFD) is 1 hour 58 minutes.
Time difference and current local times
The time difference between Norfolk and Rockford is 1 hour. Rockford is 1 hour behind Norfolk.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 120 kg (265 pounds).
Norfolk to Rockford flight map.
Frequent Flyer Miles Calculator
Norfolk (ORF) → Rockford (RFD).