How far is St. George Island, AK, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and St. George Island (St. George Airport) is 3543 miles / 5702 kilometers / 3079 nautical miles.
Chicago Rockford International Airport – St. George Airport
Search flights
Distance from Rockford to St. George Island
There are several ways to calculate the distance from Rockford to St. George Island. Here are two standard methods:
Vincenty's formula (applied above)- 3543.051 miles
- 5701.987 kilometers
- 3078.827 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- 3533.171 miles
- 5686.087 kilometers
- 3070.242 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 St. George Island?
The estimated flight time from Chicago Rockford International Airport to St. George Airport is 7 hours and 12 minutes.
What is the time difference between Rockford and St. George Island?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and St. George Airport (STG)
On average, flying from Rockford to St. George Island generates about 400 kg of CO2 per passenger, and 400 kilograms equals 882 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Rockford to St. George Island
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and St. George Airport (STG).
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 | St. George Airport |
|---|---|
| City: | St. George Island, AK |
| Country: | United States |
| IATA Code: | STG |
| ICAO Code: | PAPB |
| Coordinates: | 56°34′38″N, 169°39′49″W |