How far is Annette, AK, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Annette (Annette Island Airport) is 2097 miles / 3375 kilometers / 1823 nautical miles.
The driving distance from Rockford (RFD) to Annette (ANN) is 2629 miles / 4231 kilometers, and travel time by car is about 55 hours 9 minutes.
Chicago Rockford International Airport – Annette Island Airport
Search flights
Distance from Rockford to Annette
There are several ways to calculate the distance from Rockford to Annette. Here are two standard methods:
Vincenty's formula (applied above)- 2097.316 miles
- 3375.303 kilometers
- 1822.518 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- 2092.159 miles
- 3367.004 kilometers
- 1818.037 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 Annette?
The estimated flight time from Chicago Rockford International Airport to Annette Island Airport is 4 hours and 28 minutes.
What is the time difference between Rockford and Annette?
The time difference between Rockford and Annette is 3 hours. Annette is 3 hours behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Annette Island Airport (ANN)
On average, flying from Rockford to Annette generates about 229 kg of CO2 per passenger, and 229 kilograms equals 504 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 Annette
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Annette Island Airport (ANN).
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 | Annette Island Airport |
|---|---|
| City: | Annette, AK |
| Country: | United States |
| IATA Code: | ANN |
| ICAO Code: | PANT |
| Coordinates: | 55°2′32″N, 131°34′19″W |