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

The distance between Rockford (Chicago Rockford International Airport) and Kalskag (Kalskag Airport) is 3135 miles / 5045 kilometers / 2724 nautical miles.

Distance from Rockford to Kalskag

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

Vincenty's formula (applied above)

• 3134.910 miles
• 5045.149 kilometers
• 2724.163 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

• 3126.532 miles
• 5031.666 kilometers
• 2716.882 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 Kalskag?

The estimated flight time from Chicago Rockford International Airport to Kalskag Airport is 6 hours and 26 minutes.

What is the time difference between Rockford and Kalskag?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Kalskag Airport (KLG)

On average, flying from Rockford to Kalskag generates about 350 kg of CO2 per passenger, and 350 kilograms equals 772 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Kalskag

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

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	Kalskag Airport
City:	Kalskag, AK
Country:	United States
IATA Code:	KLG
ICAO Code:	PALG
Coordinates:	61°32′10″N, 160°20′27″W