Map of flight path and driving directions from Chicago to Pittsburgh.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Pittsburgh International Airport (PIT).
How far is Pittsburgh from Chicago?
There are several ways to calculate distances between Chicago and Pittsburgh. Here are two common methods:Vincenty's formula (applied above)
- 412.456 miles
- 663.783 kilometers
- 358.414 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
- 411.493 miles
- 662.233 kilometers
- 357.577 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 Pittsburgh is 1 hour. Pittsburgh is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 86 kg (189 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Pittsburgh (PIT).