How far is Rockford from Tucson?
There are several ways to calculate distances between Tucson and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 1385.682 miles
- 2230.038 kilometers
- 1204.124 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
- 1383.935 miles
- 2227.227 kilometers
- 1202.607 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 Tucson International Airport (TUS) to Chicago Rockford International Airport (RFD) is 3 hours 7 minutes.
Time difference and current local times
The time difference between Tucson and Rockford is 2 hours. Rockford is 2 hours ahead of Tucson.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 167 kg (369 pounds).
Tucson to Rockford flight path
Shortest flight path between Tucson International Airport (TUS) and Chicago Rockford International Airport (RFD).
Frequent Flyer Miles Calculator
Tucson (TUS) → Rockford (RFD).