Air Miles Calculator

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

Distance from O'Hare International Airport to Tucson 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 1 hour. Tucson is 1 hour behind Chicago.

Time Difference

Chicago
Tucson

Chicago, IL

 CST

Tucson, AZ

 MST

Airport information


A 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

B 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

Map

Flight map from Chicago to Tucson.

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?