Map of flight path from Chicago to Zurich.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Zurich Airport (ZRH).
How far is Zurich from Chicago?
There are several ways to calculate distances between Chicago and Zurich. Here are two common methods:Vincenty's formula (applied above)
- 4442.909 miles
- 7150.169 kilometers
- 3860.783 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
- 4430.830 miles
- 7130.729 kilometers
- 3850.286 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).
Time difference and current local times
The time difference between Chicago and Zurich is 7 hours. Zurich is 7 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 519 kg (1 144 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Zurich (ZRH).