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How far is Rockford, IL, from Grand Rapids, MI?

The distance between Grand Rapids (Gerald R. Ford International Airport) and Rockford (Chicago Rockford International Airport) is 188 miles / 303 kilometers / 164 nautical miles.

The driving distance from Grand Rapids (GRR) to Rockford (RFD) is 270 miles / 434 kilometers, and travel time by car is about 5 hours 11 minutes.

Gerald R. Ford International Airport – Chicago Rockford International Airport

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188
Miles
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303
Kilometers
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164
Nautical miles

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Distance from Grand Rapids to Rockford

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

Vincenty's formula (applied above)
  • 188.472 miles
  • 303.317 kilometers
  • 163.778 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
  • 188.017 miles
  • 302.584 kilometers
  • 163.382 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 Grand Rapids to Rockford?

The estimated flight time from Gerald R. Ford International Airport to Chicago Rockford International Airport is 51 minutes.

Flight carbon footprint between Gerald R. Ford International Airport (GRR) and Chicago Rockford International Airport (RFD)

On average, flying from Grand Rapids to Rockford generates about 53 kg of CO2 per passenger, and 53 kilograms equals 116 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Grand Rapids to Rockford

See the map of the shortest flight path between Gerald R. Ford International Airport (GRR) and Chicago Rockford International Airport (RFD).

Airport information

Origin Gerald R. Ford International Airport
City: Grand Rapids, MI
Country: United States Flag of United States
IATA Code: GRR
ICAO Code: KGRR
Coordinates: 42°52′50″N, 85°31′22″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