Distance between Chicago, IL (ORD) and Tucson, AZ (TUS)
Distance from Chicago to Tucson (Tucson International Airport – O'Hare International Airport) is 1437 miles / 2313 kilometers / 1249 nautical miles.
Calculations with different 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).
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
Tucson
Chicago, IL
CDT
Tucson, AZ
MST
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 |
Map
Chicago to Tucson flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Tucson (TUS).
Elite level bonus (%):
Booking class bonus (%):
Air miles:
1437
Elite level bonus:
0
Booking class bonus:
0
In total
Total frequent flyer miles:
1437
Round trip?