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

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

Distance from King Salmon to Rockford

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

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

What is the time difference between King Salmon and Rockford?

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

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

On average, flying from King Salmon to Rockford 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 King Salmon to Rockford

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

Airport information

Origin	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

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