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How far is Rockford, IL, from Grand Junction, CO?

The distance between Grand Junction (Grand Junction Regional Airport) and Rockford (Chicago Rockford International Airport) is 1040 miles / 1674 kilometers / 904 nautical miles.

The driving distance from Grand Junction (GJT) to Rockford (RFD) is 1186 miles / 1909 kilometers, and travel time by car is about 21 hours 9 minutes.

Grand Junction Regional Airport – Chicago Rockford International Airport

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1040
Miles
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1674
Kilometers
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904
Nautical miles

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Distance from Grand Junction to Rockford

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

Vincenty's formula (applied above)
  • 1040.347 miles
  • 1674.276 kilometers
  • 904.037 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
  • 1037.875 miles
  • 1670.297 kilometers
  • 901.888 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 Junction to Rockford?

The estimated flight time from Grand Junction Regional Airport to Chicago Rockford International Airport is 2 hours and 28 minutes.

Flight carbon footprint between Grand Junction Regional Airport (GJT) and Chicago Rockford International Airport (RFD)

On average, flying from Grand Junction to Rockford generates about 153 kg of CO2 per passenger, and 153 kilograms equals 338 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 Junction to Rockford

See the map of the shortest flight path between Grand Junction Regional Airport (GJT) and Chicago Rockford International Airport (RFD).

Airport information

Origin Grand Junction Regional Airport
City: Grand Junction, CO
Country: United States Flag of United States
IATA Code: GJT
ICAO Code: KGJT
Coordinates: 39°7′20″N, 108°31′37″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