Map of flight path and driving directions from Chicago to Erie.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Erie International Airport (ERI).
How far is Erie from Chicago?
There are several ways to calculate distances between Chicago and Erie. Here are two common methods:Vincenty's formula (applied above)
- 397.616 miles
- 639.902 kilometers
- 345.519 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
- 396.576 miles
- 638.227 kilometers
- 344.615 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 Erie is 1 hour. Erie is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 84 kg (184 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Erie (ERI).