How far is Rockford, IL, from Annette, AK?

The distance between Annette (Annette Island Airport) and Rockford (Chicago Rockford International Airport) is 2097 miles / 3375 kilometers / 1823 nautical miles.

The driving distance from Annette (ANN) to Rockford (RFD) is 2624 miles / 4223 kilometers, and travel time by car is about 55 hours 0 minutes.

Distance from Annette to Rockford

There are several ways to calculate the distance from Annette to Rockford. 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 Annette to Rockford?

The estimated flight time from Annette Island Airport to Chicago Rockford International Airport is 4 hours and 28 minutes.

What is the time difference between Annette and Rockford?

The time difference between Annette and Rockford is 3 hours. Rockford is 3 hours ahead of Annette.

Flight carbon footprint between Annette Island Airport (ANN) and Chicago Rockford International Airport (RFD)

On average, flying from Annette to Rockford 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 Annette to Rockford

See the map of the shortest flight path between Annette Island Airport (ANN) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Annette Island Airport
City:	Annette, AK
Country:	United States
IATA Code:	ANN
ICAO Code:	PANT
Coordinates:	55°2′32″N, 131°34′19″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