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Chicago–Olbia | ORD–OLB
Calculations with different methods
- 4750.007 miles
- 7644.395 kilometers
- 4127.643 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
- 4737.905 miles
- 7624.919 kilometers
- 4117.127 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from O'Hare International Airport (ORD) to Olbia Costa Smeralda Airport (OLB) is 9 hours 29 minutes.
Time difference and current local times
The time difference between Chicago and Olbia is 7 hours. Olbia is 7 hours ahead of Chicago.
Chicago to Olbia flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Olbia (OLB).