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How far is Rockford, IL, from Spokane, WA?

The distance between Spokane (Spokane International Airport) and Rockford (Chicago Rockford International Airport) is 1436 miles / 2311 kilometers / 1248 nautical miles.

The driving distance from Spokane (GEG) to Rockford (RFD) is 1705 miles / 2744 kilometers, and travel time by car is about 29 hours 58 minutes.

Spokane International Airport – Chicago Rockford International Airport

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1436
Miles
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2311
Kilometers
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1248
Nautical miles

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Distance from Spokane to Rockford

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

Vincenty's formula (applied above)
  • 1435.861 miles
  • 2310.794 kilometers
  • 1247.729 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
  • 1432.195 miles
  • 2304.895 kilometers
  • 1244.544 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 Spokane to Rockford?

The estimated flight time from Spokane International Airport to Chicago Rockford International Airport is 3 hours and 13 minutes.

Flight carbon footprint between Spokane International Airport (GEG) and Chicago Rockford International Airport (RFD)

On average, flying from Spokane to Rockford generates about 175 kg of CO2 per passenger, and 175 kilograms equals 387 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Spokane to Rockford

See the map of the shortest flight path between Spokane International Airport (GEG) and Chicago Rockford International Airport (RFD).

Airport information

Origin Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″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