Distance between Chattanooga, TN (CHA) and Chicago, IL (ORD)
Distance from Chattanooga Metropolitan Airport to O'Hare International Airport is 501 miles / 806 kilometers / 435 nautical miles.
Calculations with different methods
Vincenty's formula (applied above)
- 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).
Flight duration
Estimated flight time from Chattanooga Metropolitan Airport (CHA) to O'Hare International Airport (ORD) is 1 hour 26 minutes.
Time difference and current local times
The time difference between Chattanooga and Chicago is 1 hour. Chicago is 1 hour behind Chattanooga.
Time Difference
Chattanooga
Chicago
Chattanooga, TN
EST
Chicago, IL
CST
Airport information
| A | Chattanooga Metropolitan Airport |
|---|---|
| City: | Chattanooga, TN |
| Country: | United States  |
| IATA Code: | CHA |
| ICAO Code: | KCHA |
| Coordinates: | 35°2′7″N, 85°12′13″W |
| B | O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
Map
Flight map from Chattanooga to Chicago.
Frequent Flyer Miles Calculator
Chattanooga (CHA) → Chicago (ORD).
Elite level bonus (%):
Booking class bonus (%):
Air miles:
501
Elite level bonus:
0
Booking class bonus:
0
In total
Total frequent flyer miles:
501
Round trip?