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Chicago–Bilbao | ORD–BIO
Calculations with different methods
- 4129.322 miles
- 6645.499 kilometers
- 3588.282 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
- 4118.453 miles
- 6628.008 kilometers
- 3578.838 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 Bilbao Airport (BIO) is 8 hours 19 minutes.
Time difference and current local times
The time difference between Chicago and Bilbao is 7 hours. Bilbao is 7 hours ahead of Chicago.
Chicago to Bilbao flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Bilbao (BIO).