How far is Rockford, IL, from Gustavus, AK?
The distance between Gustavus (Gustavus Airport) and Rockford (Chicago Rockford International Airport) is 2285 miles / 3678 kilometers / 1986 nautical miles.
The driving distance from Gustavus (GST) to Rockford (RFD) is 2969 miles / 4778 kilometers, and travel time by car is about 67 hours 26 minutes.
Gustavus Airport – Chicago Rockford International Airport
Search flights
Distance from Gustavus to Rockford
There are several ways to calculate the distance from Gustavus to Rockford. 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 Gustavus to Rockford?
The estimated flight time from Gustavus Airport to Chicago Rockford International Airport is 4 hours and 49 minutes.
What is the time difference between Gustavus and Rockford?
The time difference between Gustavus and Rockford is 3 hours. Rockford is 3 hours ahead of Gustavus.
Flight carbon footprint between Gustavus Airport (GST) and Chicago Rockford International Airport (RFD)
On average, flying from Gustavus to Rockford 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 Gustavus to Rockford
See the map of the shortest flight path between Gustavus Airport (GST) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Gustavus Airport |
|---|---|
| City: | Gustavus, AK |
| Country: | United States  |
| IATA Code: | GST |
| ICAO Code: | PAGS |
| Coordinates: | 58°25′31″N, 135°42′25″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 |