Map of flight path and driving directions from Chicago to Rochester.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Greater Rochester International Airport (ROC).
How far is Rochester from Chicago?
There are several ways to calculate distances between Chicago and Rochester. Here are two common methods:Vincenty's formula (applied above)
- 527.779 miles
- 849.377 kilometers
- 458.627 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
- 526.424 miles
- 847.197 kilometers
- 457.450 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 Rochester is 1 hour. Rochester is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 103 kg (226 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Rochester (ROC).