Distance between Chattanooga, TN (CHA) and Chicago, IL (ORD)
Distance from Chattanooga to Chicago (Chattanooga Metropolitan Airport – Chicago O'Hare International Airport) is 501 miles / 806 kilometers / 435 nautical miles.
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Chattanooga - Chicago
How far is Chicago from Chattanooga?
There are several ways to calculate distances between Chattanooga and Chicago. Here are two common 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 – the shortest distance between two points).
Flight duration
Estimated flight time from Chattanooga Metropolitan Airport (CHA) to Chicago 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, TN
Chicago, IL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 99 kg (219 pounds).
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 | Chicago 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 |
Chattanooga to Chicago flight path
Shortest flight path between Chattanooga Metropolitan Airport (CHA) and Chicago O'Hare International Airport (ORD).
Frequent Flyer Miles Calculator
Chattanooga (CHA) → Chicago (ORD).
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