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

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

Distance from Rockford to Aniak

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

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

What is the time difference between Rockford and Aniak?

The time difference between Rockford and Aniak is 3 hours. Aniak is 3 hours behind Rockford.

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

On average, flying from Rockford to Aniak 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 Rockford to Aniak

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

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