Chattanooga to Decatur, Alabama: Road Trip Guide & Distance

How far is Chattanooga from Decatur, Alabama?

The distance from Chattanooga to Decatur, Alabama is 99.7 miles (160.4 km) as the crow flies. Decatur, Alabama is located WSW of Chattanooga. By car, the driving distance is approximately 124.6 miles, taking about 2h 30min. A direct flight would take roughly 42min. Both are located in United States — Chattanooga in Tennessee and Decatur, Alabama in Alabama.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Chattanooga and Decatur, Alabama. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.