How far is Chicago, IL, from Cologne?

The distance between Cologne (Cologne Bonn Airport) and Chicago (Chicago O'Hare International Airport) is 4259 miles / 6855 kilometers / 3701 nautical miles.

Distance from Cologne to Chicago

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

Vincenty's formula (applied above)

• 4259.395 miles
• 6854.832 kilometers
• 3701.313 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

• 4247.573 miles
• 6835.807 kilometers
• 3691.040 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 Chicago?

The estimated flight time from Cologne Bonn Airport to Chicago O'Hare International Airport is 8 hours and 33 minutes.

What is the time difference between Cologne and Chicago?

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

Flight carbon footprint between Cologne Bonn Airport (CGN) and Chicago O'Hare International Airport (ORD)

On average, flying from Cologne to Chicago generates about 489 kg of CO2 per passenger, and 489 kilograms equals 1 078 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cologne to Chicago

See the map of the shortest flight path between Cologne Bonn Airport (CGN) and Chicago O'Hare International Airport (ORD).

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 O'Hare International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	ORD
ICAO Code:	KORD
Coordinates:	41°58′42″N, 87°54′17″W