How far is Rockford, IL, from Cologne?

The distance between Cologne (Cologne Bonn Airport) and Rockford (Chicago Rockford International Airport) is 4293 miles / 6908 kilometers / 3730 nautical miles.

Distance from Cologne to Rockford

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

Vincenty's formula (applied above)

• 4292.638 miles
• 6908.332 kilometers
• 3730.201 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

• 4280.681 miles
• 6889.089 kilometers
• 3719.810 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 Cologne to Rockford?

The estimated flight time from Cologne Bonn Airport to Chicago Rockford International Airport is 8 hours and 37 minutes.

What is the time difference between Cologne and Rockford?

The time difference between Cologne and Rockford is 7 hours. Rockford is 7 hours behind Cologne.

Flight carbon footprint between Cologne Bonn Airport (CGN) and Chicago Rockford International Airport (RFD)

On average, flying from Cologne to Rockford generates about 493 kg of CO2 per passenger, and 493 kilograms equals 1 087 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cologne to Rockford

See the map of the shortest flight path between Cologne Bonn Airport (CGN) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Cologne Bonn Airport
City:	Cologne
Country:	Germany
IATA Code:	CGN
ICAO Code:	EDDK
Coordinates:	50°51′57″N, 7°8′33″E

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