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How far is Rockford, IL, from Springfield, IL?

The distance between Springfield (Springfield Abraham Lincoln Capital Airport) and Rockford (Chicago Rockford International Airport) is 165 miles / 266 kilometers / 143 nautical miles.

The driving distance from Springfield (SPI) to Rockford (RFD) is 194 miles / 313 kilometers, and travel time by car is about 3 hours 38 minutes.

Springfield Abraham Lincoln Capital Airport – Chicago Rockford International Airport

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165
Miles
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266
Kilometers
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143
Nautical miles

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Distance from Springfield to Rockford

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

Vincenty's formula (applied above)
  • 165.066 miles
  • 265.649 kilometers
  • 143.439 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
  • 165.254 miles
  • 265.951 kilometers
  • 143.602 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 Springfield to Rockford?

The estimated flight time from Springfield Abraham Lincoln Capital Airport to Chicago Rockford International Airport is 48 minutes.

What is the time difference between Springfield and Rockford?

There is no time difference between Springfield and Rockford.

Flight carbon footprint between Springfield Abraham Lincoln Capital Airport (SPI) and Chicago Rockford International Airport (RFD)

On average, flying from Springfield to Rockford generates about 49 kg of CO2 per passenger, and 49 kilograms equals 109 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Springfield to Rockford

See the map of the shortest flight path between Springfield Abraham Lincoln Capital Airport (SPI) and Chicago Rockford International Airport (RFD).

Airport information

Origin Springfield Abraham Lincoln Capital Airport
City: Springfield, IL
Country: United States Flag of United States
IATA Code: SPI
ICAO Code: KSPI
Coordinates: 39°50′38″N, 89°40′40″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