How far is Rockford, IL, from Island Lake?

The distance between Island Lake (Island Lake Airport) and Rockford (Chicago Rockford International Airport) is 845 miles / 1360 kilometers / 734 nautical miles.

Distance from Island Lake to Rockford

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

Vincenty's formula (applied above)

• 845.216 miles
• 1360.243 kilometers
• 734.473 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

• 845.020 miles
• 1359.929 kilometers
• 734.303 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 Island Lake to Rockford?

The estimated flight time from Island Lake Airport to Chicago Rockford International Airport is 2 hours and 6 minutes.

What is the time difference between Island Lake and Rockford?

There is no time difference between Island Lake and Rockford.

Flight carbon footprint between Island Lake Airport (YIV) and Chicago Rockford International Airport (RFD)

On average, flying from Island Lake to Rockford generates about 139 kg of CO2 per passenger, and 139 kilograms equals 306 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Island Lake to Rockford

See the map of the shortest flight path between Island Lake Airport (YIV) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Island Lake Airport
City:	Island Lake
Country:	Canada
IATA Code:	YIV
ICAO Code:	CYIV
Coordinates:	53°51′25″N, 94°39′12″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