Chattanooga to Gaithersburg: Road Trip Guide & Distance

How far is Chattanooga from Gaithersburg?

The distance from Chattanooga to Gaithersburg is 528.7 miles (850.8 km) as the crow flies. Gaithersburg is located NE of Chattanooga. By car, the driving distance is approximately 634.4 miles, taking about 12h 46min. A direct flight would take roughly 1h 34min. Both are located in United States — Chattanooga in Tennessee and Gaithersburg in Maryland.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Chattanooga and Gaithersburg. 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.