How far is Rockford, IL, from Appleton, WI?
The distance between Appleton (Appleton International Airport) and Rockford (Chicago Rockford International Airport) is 145 miles / 234 kilometers / 126 nautical miles.
The driving distance from Appleton (ATW) to Rockford (RFD) is 165 miles / 266 kilometers, and travel time by car is about 3 hours 27 minutes.
Appleton International Airport – Chicago Rockford International Airport
Search flights
Distance from Appleton to Rockford
There are several ways to calculate the distance from Appleton to Rockford. 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 Appleton to Rockford?
The estimated flight time from Appleton International Airport to Chicago Rockford International Airport is 46 minutes.
What is the time difference between Appleton and Rockford?
Flight carbon footprint between Appleton International Airport (ATW) and Chicago Rockford International Airport (RFD)
On average, flying from Appleton to Rockford 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 Appleton to Rockford
See the map of the shortest flight path between Appleton International Airport (ATW) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Appleton International Airport |
|---|---|
| City: | Appleton, WI |
| Country: | United States  |
| IATA Code: | ATW |
| ICAO Code: | KATW |
| Coordinates: | 44°15′29″N, 88°31′8″W |
| Destination | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |