How far is Tucson from Chicago?
There are several ways to calculate distances between Chicago and Tucson. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 178 kg (392 pounds).
Chicago to Tucson flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Tucson (TUS).