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

The distance between Hilo (Hilo International Airport) and Rockford (Chicago Rockford International Airport) is 4101 miles / 6600 kilometers / 3564 nautical miles.

Distance from Hilo to Rockford

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

Vincenty's formula (applied above)

• 4101.099 miles
• 6600.079 kilometers
• 3563.758 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

• 4095.797 miles
• 6591.546 kilometers
• 3559.150 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 Hilo to Rockford?

The estimated flight time from Hilo International Airport to Chicago Rockford International Airport is 8 hours and 15 minutes.

What is the time difference between Hilo and Rockford?

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

Flight carbon footprint between Hilo International Airport (ITO) and Chicago Rockford International Airport (RFD)

On average, flying from Hilo to Rockford generates about 469 kg of CO2 per passenger, and 469 kilograms equals 1 034 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Hilo to Rockford

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

Airport information

Origin	Hilo International Airport
City:	Hilo, HI
Country:	United States
IATA Code:	ITO
ICAO Code:	PHTO
Coordinates:	19°43′17″N, 155°2′52″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