Air Miles Calculator

Distance between Des Moines, IA (DSM) and Rockford, IL (RFD)

Flight distance from Des Moines to Rockford (Des Moines International Airport – Chicago Rockford International Airport) is 240 miles / 386 kilometers / 208 nautical miles. Estimated flight time is 57 minutes.

Driving distance from Des Moines (DSM) to Rockford (RFD) is 283 miles / 456 kilometers and travel time by car is about 5 hours 6 minutes.

Map of flight path and driving directions from Des Moines to Rockford.

Shortest flight path between Des Moines International Airport (DSM) and Chicago Rockford International Airport (RFD).

How far is Rockford from Des Moines?

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

Vincenty's formula (applied above)
  • 239.905 miles
  • 386.090 kilometers
  • 208.472 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
  • 239.312 miles
  • 385.136 kilometers
  • 207.957 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 Des Moines International Airport
City: Des Moines, IA
Country: United States Flag of United States
IATA Code: DSM
ICAO Code: KDSM
Coordinates: 41°32′2″N, 93°39′47″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 Des Moines and Rockford.

Time Difference

Des Moines, IA

 CST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 60 kg (133 pounds).

Frequent Flyer Miles Calculator

Des Moines (DSM) → Rockford (RFD).

Distance:
240
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
240

Round trip?