How far is Chicago, IL, from Paris?

The distance between Paris (Paris Orly Airport) and Chicago (Chicago O'Hare International Airport) is 4155 miles / 6687 kilometers / 3611 nautical miles.

Distance from Paris to Chicago

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

Vincenty's formula (applied above)

• 4155.094 miles
• 6686.976 kilometers
• 3610.678 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

• 4143.692 miles
• 6668.626 kilometers
• 3600.770 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 Paris to Chicago?

The estimated flight time from Paris Orly Airport to Chicago O'Hare International Airport is 8 hours and 22 minutes.

What is the time difference between Paris and Chicago?

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

Flight carbon footprint between Paris Orly Airport (ORY) and Chicago O'Hare International Airport (ORD)

On average, flying from Paris to Chicago generates about 476 kg of CO2 per passenger, and 476 kilograms equals 1 049 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Paris to Chicago

See the map of the shortest flight path between Paris Orly Airport (ORY) and Chicago O'Hare International Airport (ORD).

Airport information

Origin	Paris Orly Airport
City:	Paris
Country:	France
IATA Code:	ORY
ICAO Code:	LFPO
Coordinates:	48°43′31″N, 2°21′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