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 507 kg (1 117 pounds).
Chicago to Paris flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Paris (CDG).