How far is Gustavus, AK, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Gustavus (Gustavus Airport) is 2285 miles / 3678 kilometers / 1986 nautical miles.
The driving distance from Rockford (RFD) to Gustavus (GST) is 2974 miles / 4786 kilometers, and travel time by car is about 67 hours 35 minutes.
Chicago Rockford International Airport – Gustavus Airport
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Distance from Rockford to Gustavus
There are several ways to calculate the distance from Rockford to Gustavus. Here are two standard methods:
Vincenty's formula (applied above)- 2285.273 miles
- 3677.790 kilometers
- 1985.848 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- 2279.764 miles
- 3668.924 kilometers
- 1981.060 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 Gustavus?
The estimated flight time from Chicago Rockford International Airport to Gustavus Airport is 4 hours and 49 minutes.
What is the time difference between Rockford and Gustavus?
The time difference between Rockford and Gustavus is 3 hours. Gustavus is 3 hours behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Gustavus Airport (GST)
On average, flying from Rockford to Gustavus generates about 250 kg of CO2 per passenger, and 250 kilograms equals 552 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 Gustavus
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Gustavus Airport (GST).
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 | Gustavus Airport |
|---|---|
| City: | Gustavus, AK |
| Country: | United States |
| IATA Code: | GST |
| ICAO Code: | PAGS |
| Coordinates: | 58°25′31″N, 135°42′25″W |