Air Miles Calculator

Distance between Chicago, IL (ORD) and Chattanooga, TN (CHA)

Flight distance from Chicago to Chattanooga (Chicago O'Hare International Airport – Chattanooga Metropolitan Airport) is 501 miles / 806 kilometers / 435 nautical miles. Estimated flight time is 1 hour 26 minutes.

Driving distance from Chicago (ORD) to Chattanooga (CHA) is 592 miles / 953 kilometers and travel time by car is about 11 hours 1 minutes.

Map of flight path and driving directions from Chicago to Chattanooga.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Chattanooga Metropolitan Airport (CHA).

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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of 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 Flag of United States
IATA Code: CHA
ICAO Code: KCHA
Coordinates: 35°2′7″N, 85°12′13″W

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

 CDT

Chattanooga, TN

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 99 kg (219 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Chattanooga (CHA).

Distance:
501
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
501

Round trip?