Air Miles Calculator

Distance between Columbus, OH (CMH) and Decatur, IL (DEC)

Distance from Columbus to Decatur (John Glenn Columbus International Airport – Decatur Airport) is 318 miles / 511 kilometers / 276 nautical miles.

How far is Decatur from Columbus?

There are several ways to calculate distances between Columbus and Decatur. Here are two common methods:

Vincenty's formula (applied above)
  • 317.505 miles
  • 510.975 kilometers
  • 275.904 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
  • 316.714 miles
  • 509.702 kilometers
  • 275.217 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).

Flight duration

Estimated flight time from John Glenn Columbus International Airport (CMH) to Decatur Airport (DEC) is 1 hour 6 minutes.

Time difference and current local times

The time difference between Columbus and Decatur is 1 hour. Decatur is 1 hour behind Columbus.

Time Difference

Columbus
Decatur

Columbus, OH

 EDT

Decatur, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 69 kg (152 pounds).

Airport information


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

B Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W

Columbus to Decatur flight path

Shortest flight path between John Glenn Columbus International Airport (CMH) and Decatur Airport (DEC).

Frequent Flyer Miles Calculator

Columbus (CMH) → Decatur (DEC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
318
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
318

Round trip?