# Distance between Chicago, IL (ORD) and Columbus, OH (CMH)

Flight distance from Chicago to Columbus (Chicago O'Hare International Airport – John Glenn Columbus International Airport) is 296 miles / 476 kilometers / 257 nautical miles. Estimated flight time is 1 hour 3 minutes.

Driving distance from Chicago (ORD) to Columbus (CMH) is 341 miles / 549 kilometers and travel time by car is about 6 hours 41 minutes.

## 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).

## Airport information

A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B John Glenn Columbus International Airport
City: Columbus, OH
Country: United States
IATA Code: CMH
ICAO Code: KCMH
Coordinates: 39°59′52″N, 82°53′30″W

## Time difference and current local times

The time difference between Chicago and Columbus is 1 hour. Columbus is 1 hour ahead of Chicago.

CDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 69 kg (151 pounds).

## Frequent Flyer Miles Calculator

Chicago (ORD) → Columbus (CMH).

Distance:
296
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
296

Round trip?