How far is Rockford from Dallas?
There are several ways to calculate distances between Dallas and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 771.920 miles
- 1242.285 kilometers
- 670.780 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
- 772.376 miles
- 1243.019 kilometers
- 671.176 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 Dallas Love Field (DAL) to Chicago Rockford International Airport (RFD) is 1 hour 57 minutes.
Time difference and current local times
There is no time difference between Dallas and Rockford.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 132 kg (291 pounds).
Dallas to Rockford flight map.
Frequent Flyer Miles Calculator
Dallas (DAL) → Rockford (RFD).