Flight distance from Dayton to Chicago (Dayton International Airport – Chicago O"Hare International Airport) is 240 miles / 387 kilometers / 209 nautical miles. Estimated flight time is 57 minutes.
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Driving distance from Dayton (DAY) to Chicago (ORD) is 307 miles / 494 kilometers and travel time by car is about 5 hours 32 minutes.
Shortest flight path between Dayton International Airport (DAY) and Chicago O"Hare International Airport (ORD).
There are several ways to calculate distances between Dayton and Chicago. Here are two common methods:Vincenty"s formula (applied above)240.199 miles386.562 kilometers208.727 nautical miles
Vincenty"s formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
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The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
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