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

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

Distance from Rockford to Hilo

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

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

What is the time difference between Rockford and Hilo?

The time difference between Rockford and Hilo is 4 hours. Hilo is 4 hours behind Rockford.

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

On average, flying from Rockford to Hilo 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 Rockford to Hilo

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

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