Search by airport name, city or IATA airport code.
Chicago to Chattanooga | ORD - CHA
Calculations with different methods
- 500.719 miles
- 805.828 kilometers
- 435.113 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
- 501.395 miles
- 806.916 kilometers
- 435.700 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from O'Hare International Airport (ORD) to Chattanooga Metropolitan Airport (CHA) is 1 hour 26 minutes.
Time difference and current local times
The time difference between Chicago and Chattanooga is 1 hour. Chattanooga is 1 hour ahead of Chicago.
Flight map from Chicago to Chattanooga.
Frequent Flyer Miles Calculator
Chicago (ORD) → Chattanooga (CHA).