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How far is Rockford, IL, from Colorado Springs, CO?

The distance between Colorado Springs (Colorado Springs Airport) and Rockford (Chicago Rockford International Airport) is 853 miles / 1373 kilometers / 741 nautical miles.

The driving distance from Colorado Springs (COS) to Rockford (RFD) is 1026 miles / 1651 kilometers, and travel time by car is about 18 hours 11 minutes.

Colorado Springs Airport – Chicago Rockford International Airport

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853
Miles
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1373
Kilometers
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741
Nautical miles

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Distance from Colorado Springs to Rockford

There are several ways to calculate the distance from Colorado Springs to Rockford. Here are two standard methods:

Vincenty's formula (applied above)
  • 853.107 miles
  • 1372.942 kilometers
  • 741.329 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 851.199 miles
  • 1369.873 kilometers
  • 739.672 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).

How long does it take to fly from Colorado Springs to Rockford?

The estimated flight time from Colorado Springs Airport to Chicago Rockford International Airport is 2 hours and 6 minutes.

Flight carbon footprint between Colorado Springs Airport (COS) and Chicago Rockford International Airport (RFD)

On average, flying from Colorado Springs to Rockford generates about 140 kg of CO2 per passenger, and 140 kilograms equals 308 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Colorado Springs to Rockford

See the map of the shortest flight path between Colorado Springs Airport (COS) and Chicago Rockford International Airport (RFD).

Airport information

Origin Colorado Springs Airport
City: Colorado Springs, CO
Country: United States Flag of United States
IATA Code: COS
ICAO Code: KCOS
Coordinates: 38°48′20″N, 104°42′3″W
Destination 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