Mammoth Cave to Marietta: Road Trip Guide & Distance

How far is Mammoth Cave from Marietta?

The distance from Mammoth Cave to Marietta is 239.8 miles (385.9 km) as the crow flies. Marietta is located SSE of Mammoth Cave. By car, the driving distance is approximately 299.7 miles, taking about 6h 2min. A direct flight would take roughly 59min. Both are located in United States — Mammoth Cave in Kentucky and Marietta in Georgia.

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. 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 Mammoth Cave and Marietta. 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.