Distance between Chicago, IL (ORD) and Tucson, AZ (TUS)
Distance from Chicago to Tucson (O'Hare International Airport – Tucson International Airport) is 1437 miles / 2313 kilometers / 1249 nautical miles.
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Chicago - Tucson
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).
Flight duration
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 2 hours. Tucson is 2 hours behind Chicago.
Time Difference
Chicago, IL
Tucson, AZ
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 168 kg (371 pounds).
Airport information
| A | O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| B | Tucson International Airport |
|---|---|
| City: | Tucson, AZ |
| Country: | United States |
| IATA Code: | TUS |
| ICAO Code: | KTUS |
| Coordinates: | 32°6′57″N, 110°56′27″W |
Chicago to Tucson flight path
Shortest flight path between O'Hare International Airport (ORD) and Tucson International Airport (TUS).
Frequent Flyer Miles Calculator
Chicago (ORD) → Tucson (TUS).
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