Map of flight path and driving directions from Chicago to Rochester.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Rochester International Airport (RST).
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)
- 268.364 miles
- 431.889 kilometers
- 233.202 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
- 267.885 miles
- 431.120 kilometers
- 232.786 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
There is no time difference between Chicago and Rochester.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 65 kg (142 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Rochester (RST).