How far is King Salmon, AK, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and King Salmon (King Salmon Airport) is 3040 miles / 4892 kilometers / 2641 nautical miles.

Distance from Rockford to King Salmon

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

Vincenty's formula (applied above)

• 3039.764 miles
• 4892.027 kilometers
• 2641.483 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

• 3031.592 miles
• 4878.875 kilometers
• 2634.382 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 King Salmon?

The estimated flight time from Chicago Rockford International Airport to King Salmon Airport is 6 hours and 15 minutes.

What is the time difference between Rockford and King Salmon?

The time difference between Rockford and King Salmon is 3 hours. King Salmon is 3 hours behind Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and King Salmon Airport (AKN)

On average, flying from Rockford to King Salmon generates about 339 kg of CO2 per passenger, and 339 kilograms equals 747 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to King Salmon

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and King Salmon Airport (AKN).

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	King Salmon Airport
City:	King Salmon, AK
Country:	United States
IATA Code:	AKN
ICAO Code:	PAKN
Coordinates:	58°40′36″N, 156°38′56″W