How far is Paris from Chicago?
There are several ways to calculate distances between Chicago and Paris. Here are two common methods:Vincenty's formula (applied above)
- 4152.366 miles
- 6682.586 kilometers
- 3608.308 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 4140.953 miles
- 6664.217 kilometers
- 3598.389 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).
Estimated flight time from O'Hare International Airport (ORD) to Charles de Gaulle Airport (CDG) is 8 hours 21 minutes.
Time difference and current local times
The time difference between Chicago and Paris is 7 hours. Paris is 7 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 482 kg (1 063 pounds).
Chicago to Paris flight path
Shortest flight path between O'Hare International Airport (ORD) and Charles de Gaulle Airport (CDG).
Frequent Flyer Miles Calculator
Chicago (ORD) → Paris (CDG).