Air Miles Calculator

Distance between Dayton, OH (DAY) and Chicago, IL (ORD)

Distance from Dayton to Chicago (Dayton International Airport – Chicago O'Hare International Airport) is 240 miles / 387 kilometers / 209 nautical miles.

How far is Chicago from Dayton?

There are several ways to calculate distances between Dayton and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 240.199 miles
  • 386.562 kilometers
  • 208.727 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
  • 239.913 miles
  • 386.103 kilometers
  • 208.479 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 Dayton International Airport (DAY) to Chicago O'Hare International Airport (ORD) is 57 minutes.

Time difference and current local times

The time difference between Dayton and Chicago is 1 hour. Chicago is 1 hour behind Dayton.

Time Difference

Dayton
Chicago

Dayton, OH

 EDT

Chicago, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 58 kg (128 pounds).

Airport information


A Dayton International Airport
City: Dayton, OH
Country: United States Flag of United States
IATA Code: DAY
ICAO Code: KDAY
Coordinates: 39°54′8″N, 84°13′9″W

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

Dayton to Chicago flight path

Shortest flight path between Dayton International Airport (DAY) and Chicago O'Hare International Airport (ORD).

Frequent Flyer Miles Calculator

Dayton (DAY) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
240
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
240

Round trip?