How far is Rockford, IL, from Kona, HI?

The distance between Kona (Kona International Airport) and Rockford (Chicago Rockford International Airport) is 4152 miles / 6681 kilometers / 3608 nautical miles.

Distance from Kona to Rockford

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

Vincenty's formula (applied above)

• 4151.583 miles
• 6681.324 kilometers
• 3607.627 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

• 4146.141 miles
• 6672.567 kilometers
• 3602.898 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 Kona to Rockford?

The estimated flight time from Kona International Airport to Chicago Rockford International Airport is 8 hours and 21 minutes.

What is the time difference between Kona and Rockford?

The time difference between Kona and Rockford is 4 hours. Rockford is 4 hours ahead of Kona.

Flight carbon footprint between Kona International Airport (KOA) and Chicago Rockford International Airport (RFD)

On average, flying from Kona to Rockford generates about 475 kg of CO2 per passenger, and 475 kilograms equals 1 048 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Kona to Rockford

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

Airport information

Origin	Kona International Airport
City:	Kona, HI
Country:	United States
IATA Code:	KOA
ICAO Code:	PHKO
Coordinates:	19°44′19″N, 156°2′45″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