Air Miles Calculator

Distance between Charleston, SC (CHS) and Rockford, IL (RFD)

Flight distance from Charleston to Rockford (Charleston International Airport – Chicago Rockford International Airport) is 810 miles / 1304 kilometers / 704 nautical miles. Estimated flight time is 2 hours 2 minutes.

Driving distance from Charleston (CHS) to Rockford (RFD) is 968 miles / 1558 kilometers and travel time by car is about 17 hours 21 minutes.

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).

Airport information


A Charleston International Airport
City: Charleston, SC
Country: United States Flag of United States
IATA Code: CHS
ICAO Code: KCHS
Coordinates: 32°53′54″N, 80°2′25″W

B Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W

Time difference and current local times

The time difference between Charleston and Rockford is 1 hour. Rockford is 1 hour behind Charleston.

Time Difference

Charleston, SC

 EST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 136 kg (299 pounds).

Frequent Flyer Miles Calculator

Charleston (CHS) → Rockford (RFD).

Distance:
810
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
810

Round trip?