Map of flight path and driving directions from Bangor to Rockford.
Shortest flight path between Bangor International Airport (BGR) and Chicago Rockford International Airport (RFD).
How far is Rockford from Bangor?
There are several ways to calculate distances between Bangor and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 1031.611 miles
- 1660.217 kilometers
- 896.446 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
- 1028.935 miles
- 1655.910 kilometers
- 894.120 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 Bangor and Rockford is 1 hour. Rockford is 1 hour behind Bangor.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 153 kg (337 pounds).
Frequent Flyer Miles Calculator
Bangor (BGR) → Rockford (RFD).