How far is Cat Lake from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Cat Lake (Cat Lake Airport) is 671 miles / 1080 kilometers / 583 nautical miles.
The driving distance from Rockford (RFD) to Cat Lake (YAC) is 853 miles / 1373 kilometers, and travel time by car is about 22 hours 14 minutes.
Chicago Rockford International Airport – Cat Lake Airport
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Distance from Rockford to Cat Lake
There are several ways to calculate the distance from Rockford to Cat Lake. Here are two standard methods:
Vincenty's formula (applied above)- 670.821 miles
- 1079.581 kilometers
- 582.927 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- 670.896 miles
- 1079.702 kilometers
- 582.992 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 Cat Lake?
The estimated flight time from Chicago Rockford International Airport to Cat Lake Airport is 1 hour and 46 minutes.
What is the time difference between Rockford and Cat Lake?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Cat Lake Airport (YAC)
On average, flying from Rockford to Cat Lake generates about 121 kg of CO2 per passenger, and 121 kilograms equals 267 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 Cat Lake
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Cat Lake Airport (YAC).
Airport information
| Origin | 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 |
| Destination | Cat Lake Airport |
|---|---|
| City: | Cat Lake |
| Country: | Canada  |
| IATA Code: | YAC |
| ICAO Code: | CYAC |
| Coordinates: | 51°43′37″N, 91°49′27″W |