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

The distance between Aniak (Aniak Airport) and Rockford (Chicago Rockford International Airport) is 3108 miles / 5002 kilometers / 2701 nautical miles.

Distance from Aniak to Rockford

There are several ways to calculate the distance from Aniak to Rockford. Here are two standard methods:

Vincenty's formula (applied above)

• 3108.382 miles
• 5002.456 kilometers
• 2701.110 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

• 3100.101 miles
• 4989.128 kilometers
• 2693.914 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 Aniak to Rockford?

The estimated flight time from Aniak Airport to Chicago Rockford International Airport is 6 hours and 23 minutes.

What is the time difference between Aniak and Rockford?

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

Flight carbon footprint between Aniak Airport (ANI) and Chicago Rockford International Airport (RFD)

On average, flying from Aniak to Rockford generates about 347 kg of CO2 per passenger, and 347 kilograms equals 765 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Aniak to Rockford

See the map of the shortest flight path between Aniak Airport (ANI) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Aniak Airport
City:	Aniak, AK
Country:	United States
IATA Code:	ANI
ICAO Code:	PANI
Coordinates:	61°34′53″N, 159°32′34″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