Calculations with different methods
- 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).
Estimated flight time from O'Hare International Airport (ORD) to Greater Rochester International Airport (ROC) is 1 hour 29 minutes.
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 95 kg (209 pounds).
Chicago to Rochester flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Rochester (ROC).