Distance between Chicago, IL (ORD) and Chattanooga, TN (CHA)
Distance from Chicago to Chattanooga (O'Hare International Airport – Chattanooga Metropolitan Airport) is 501 miles / 806 kilometers / 435 nautical miles.
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Chicago - Chattanooga
How far is Chattanooga from Chicago?
There are several ways to calculate distances between Chicago and Chattanooga. 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 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.
Time Difference
Chicago, IL
Chattanooga, TN
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 99 kg (219 pounds).
Airport information
| A | 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 |
| B | Chattanooga Metropolitan Airport |
|---|---|
| City: | Chattanooga, TN |
| Country: | United States |
| IATA Code: | CHA |
| ICAO Code: | KCHA |
| Coordinates: | 35°2′7″N, 85°12′13″W |
Chicago to Chattanooga flight path
Shortest flight path between O'Hare International Airport (ORD) and Chattanooga Metropolitan Airport (CHA).
Frequent Flyer Miles Calculator
Chicago (ORD) → Chattanooga (CHA).
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