Map of flight path and driving directions from Chicago to Ithaca.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Ithaca Tompkins Regional Airport (ITH).
How far is Ithaca from Chicago?
There are several ways to calculate distances between Chicago and Ithaca. Here are two common methods:Vincenty's formula (applied above)
- 587.718 miles
- 945.841 kilometers
- 510.713 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
- 586.181 miles
- 943.366 kilometers
- 509.377 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 Ithaca is 1 hour. Ithaca is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 111 kg (245 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Ithaca (ITH).