Air Miles Calculator

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

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

Calculations with different 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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Dayton International Airport (DAY) is 57 minutes.

Time difference and current local times

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

Time Difference

Chicago
Dayton

Chicago, IL

 CST

Dayton, OH

 EST

Airport information


A 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

B 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

Map

Flight map from Chicago to Dayton.

Frequent Flyer Miles Calculator

Chicago (ORD) → Dayton (DAY).

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?