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Chicago (ORD) - Tucson (TUS)
Calculations with different methods
- 1437.020 miles
- 2312.659 kilometers
- 1248.736 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
- 1435.052 miles
- 2309.492 kilometers
- 1247.026 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 Tucson International Airport (TUS) is 3 hours 13 minutes.
Time difference and current local times
The time difference between Chicago and Tucson is 1 hour. Tucson is 1 hour behind Chicago.
Flight map from Chicago to Tucson.
Frequent Flyer Miles Calculator
Chicago (ORD) → Tucson (TUS).