Map of flight path and driving directions from Charleston to Rockford.
Shortest flight path between Charleston International Airport (CHS) and Chicago Rockford International Airport (RFD).
How far is Rockford from Charleston?
There are several ways to calculate distances between Charleston and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 810.367 miles
- 1304.160 kilometers
- 704.190 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
- 810.598 miles
- 1304.532 kilometers
- 704.391 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 Charleston and Rockford is 1 hour. Rockford is 1 hour behind Charleston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 136 kg (299 pounds).
Frequent Flyer Miles Calculator
Charleston (CHS) → Rockford (RFD).