Map of flight path and driving directions from Rochester to Rockford.
Shortest flight path between Greater Rochester International Airport (ROC) and Chicago Rockford International Airport (RFD).
How far is Rockford from Rochester?
There are several ways to calculate distances between Rochester and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 585.087 miles
- 941.607 kilometers
- 508.427 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
- 583.560 miles
- 939.149 kilometers
- 507.100 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).
Time difference and current local times
The time difference between Rochester and Rockford is 1 hour. Rockford is 1 hour behind Rochester.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 111 kg (244 pounds).
Frequent Flyer Miles Calculator
Rochester (ROC) → Rockford (RFD).