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

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

The driving distance from Rockford (RFD) to Grand Junction (GJT) is 1186 miles / 1909 kilometers, and travel time by car is about 21 hours 8 minutes.

Chicago Rockford International Airport – Grand Junction Regional 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 Rockford to Grand Junction

There are several ways to calculate the distance from Rockford to Grand Junction. 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 Rockford to Grand Junction?

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

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

On average, flying from Rockford to Grand Junction 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 Rockford to Grand Junction

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

Airport information

Origin 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
Destination 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