Air Miles Calculator

Distance between St Cloud, MN (STC) and Rockford, IL (RFD)

Flight distance from St Cloud to Rockford (St. Cloud Regional Airport – Chicago Rockford International Airport) is 339 miles / 545 kilometers / 295 nautical miles. Estimated flight time is 1 hour 8 minutes.

Driving distance from St Cloud (STC) to Rockford (RFD) is 406 miles / 654 kilometers and travel time by car is about 7 hours 6 minutes.

Map of flight path and driving directions from St Cloud to Rockford.

Shortest flight path between St. Cloud Regional Airport (STC) and Chicago Rockford International Airport (RFD).

How far is Rockford from St Cloud?

There are several ways to calculate distances between St Cloud and Rockford. Here are two common methods:

Vincenty's formula (applied above)
  • 338.945 miles
  • 545.479 kilometers
  • 294.535 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
  • 338.574 miles
  • 544.882 kilometers
  • 294.213 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 St. Cloud Regional Airport
City: St Cloud, MN
Country: United States Flag of United States
IATA Code: STC
ICAO Code: KSTC
Coordinates: 45°32′47″N, 94°3′35″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

There is no time difference between St Cloud and Rockford.

Time Difference

St Cloud, MN

 CDT

Rockford, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 75 kg (165 pounds).

Frequent Flyer Miles Calculator

St Cloud (STC) → Rockford (RFD).

Distance:
339
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
339

Round trip?