Air Miles Calculator

Distance between Tucson, AZ (TUS) and Chicago, IL (ORD)

Distance from Tucson to Chicago (Tucson International Airport – O'Hare International Airport) is 1437 miles / 2313 kilometers / 1249 nautical miles.

How far is Chicago from Tucson?

There are several ways to calculate distances between Tucson and Chicago. 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 Tucson International Airport (TUS) to O'Hare International Airport (ORD) is 3 hours 13 minutes.

Time difference and current local times

The time difference between Tucson and Chicago is 2 hours. Chicago is 2 hours ahead of Tucson.

Time Difference

Tucson
Chicago

Tucson, AZ

 MST

Chicago, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 168 kg (371 pounds).

Airport information


A Tucson International Airport
City: Tucson, AZ
Country: United States Flag of United States
IATA Code: TUS
ICAO Code: KTUS
Coordinates: 32°6′57″N, 110°56′27″W

B O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

Tucson to Chicago flight path

Shortest flight path between Tucson International Airport (TUS) and O'Hare International Airport (ORD).

Frequent Flyer Miles Calculator

Tucson (TUS) → Chicago (ORD).

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?