Map of flight path and driving directions from Columbus to Chicago.
Shortest flight path between John Glenn Columbus International Airport (CMH) and Chicago O'Hare International Airport (ORD).
How far is Chicago from Columbus?
There are several ways to calculate distances between Columbus and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 295.539 miles
- 475.624 kilometers
- 256.816 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
- 295.026 miles
- 474.798 kilometers
- 256.370 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 Columbus and Chicago is 1 hour. Chicago is 1 hour behind Columbus.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 69 kg (151 pounds).
Frequent Flyer Miles Calculator
Columbus (CMH) → Chicago (ORD).