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How far is Appleton, WI, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Appleton (Appleton International Airport) is 145 miles / 234 kilometers / 126 nautical miles.

The driving distance from Rockford (RFD) to Appleton (ATW) is 167 miles / 268 kilometers, and travel time by car is about 3 hours 38 minutes.

Chicago Rockford International Airport – Appleton International Airport

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145
Miles
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234
Kilometers
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126
Nautical miles

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Distance from Rockford to Appleton

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

Vincenty's formula (applied above)
  • 145.352 miles
  • 233.921 kilometers
  • 126.307 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
  • 145.459 miles
  • 234.094 kilometers
  • 126.401 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 Appleton?

The estimated flight time from Chicago Rockford International Airport to Appleton International Airport is 46 minutes.

What is the time difference between Rockford and Appleton?

There is no time difference between Rockford and Appleton.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Appleton International Airport (ATW)

On average, flying from Rockford to Appleton generates about 46 kg of CO2 per passenger, and 46 kilograms equals 102 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 Appleton

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

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 Appleton International Airport
City: Appleton, WI
Country: United States Flag of United States
IATA Code: ATW
ICAO Code: KATW
Coordinates: 44°15′29″N, 88°31′8″W