Map of flight path and driving directions from Chicago to Columbus.
Shortest flight path between Chicago O'Hare International Airport (ORD) and John Glenn Columbus International Airport (CMH).
How far is Columbus from Chicago?
There are several ways to calculate distances between Chicago and Columbus. 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 Chicago and Columbus is 1 hour. Columbus is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 66 kg (145 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Columbus (CMH).